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21PCS Heavy Impact Socket Adapter & Reducer Set, CR-MO Swivel Sockets, 1/4" 3/8" 1/2" Drive

This 21PCS impact adapter set is one of those kits that instantly makes your garage feel more complete . We've all been there—wasting tons of time and frustration hunting down the right socket transition halfway through a job.

This master set covers almost every size transition you'll ever run into, offering a tight, secure fit with minimal wobble . Whether you're upgrading your toolbox or tackling automotive repairs, this thing's built for real work!

360° Flexible Access with Zero Wobble
Heavy-Duty CR-MO for High Torque
Perfect-Fit Foam Storage Toolbox Tray
Sale price$49.95 Regular price$67.53
Save $17.58
SKU: 80631002
Worry-Free Delivery® available with seel learn more
Free Returns Within 30 Days
Free Returns Within 30 Days
Free Shipping Over $25
Free Shipping Over $25
Warranty up to 24 Months
Warranty up to 24 Months
Description

Socket Adapter Set

The set includes 11 HEX shank Socket Adapter Extension Bits (1/4" Dr * 25mm-30mm-50mm-65mm-150mm, 3/8" Dr * 50mm-65mm-150mm, 1/2" Dr * 50mm-72mm-150mm), 3 universal joints (1/4", 3/8", 1/2"), 4 Reducers (1/4"F x 3/8”M, 3/8”F x 1/4”M, 3/8”F x 1/2”M, 1/2“F x 3/8”M) and 3 Impact Couplers (1/4", 3/8", 1/2").

Premium CR-MO&CR-V

Built with heat-treated CR-V steel for extensions and adapters, and CR-MO steel for swivel joints and impact couplers, this set delivers durability under high torque. The black manganese phosphate finish provides excellent corrosion resistance, making it a reliable impact socket set for tough jobs.

Quick Release & Secure Fit

The 3 CR-MO Impact Couplers have a quick-release design for fast, impact-resistant changes. Chamfered edges and spring-loaded detent balls on all heads ensure a firm socket connection and prevent drop-off during operation. Adapter ends feature impact holes for compatibility with power tools.

Versatile for Multiple Applications

Perfect for mechanics, DIYers, and professionals.This high-quality set covers the tools and sizes needed for most tasks. Extension Bits reach tight spaces, swivel joints provide angled access, socket adapters allow use across drive sizes, and couplers convert drills for bolt installation and removal.

Easy Storage & Identification

Each tool features clear laser-etched size markings for quick selection. Organized in a durable XPE foam tray, the set fits easily in your toolbox or cabinet—saving time and keeping your workspace tidy.

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30 Days Free return

Try it today—if it’s not right, return it free within 30 days.

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Free Shipping Over $25

Economical Flat Rate Shipping for orders under $25 worldwide.

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Warranty up to 24 Months

We’ve got you covered—enjoy peace of mind for up to 24 months

Trusted by pros Who Know Best

Reliable quality is our attitude towards consumers

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@Project Farm

EZARC is your best choice when considering cutting speed and cost performance, maybe there is no better one than it. I recommend it to everyone.

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@Mechanically

I'm a contractor and I have tried about every blade out there and these seem to be top shelf. Im not gonna say they are the best but i will definitely be purchasing more.

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@medomechanic

Oh, let me tell you about the incredible Diamond Cutting Wheel! This tool defies all expectations and cuts through metal like a hot knife through butter, that’s simply out of this world!

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@soyflaco0

This countersink set is a must have in your tool box. It is important if you're a stickler for finishing jobs and want everything to look amazing and beautiful. It is very durable and will last after job.

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@brc_framers

This disk is immortal. I've cut so many things its hard to understand how the disk even exists anymore, let alone still cuts things... I will encourage others to buy them.

Customer Reviews

Overall rating: 4.8 / 5 from 46 reviews.

Customer photo review of 21PCS Impact Socket Adapter Set, CR-MO Swivel Sockets, CR-V Reducers & Hex Extension Bits, 1/4" 3/8" 1/2" Drive

This kit is amazing. Has pretty much every combination of adapter and extension you would need for an impact. The 1/4'' to 3/8'' adapter has been clutch and I have hammered it a ton with my M12 fuel. Zero issues. I snapped my Allen bits and the adapter stood strong. This is a great kit at a great price. Goes perfectly with a new 1/4'' impact if any ladies are looking for gift ideas

21PCS Impact Socket Adapter Set, CR-MO Swivel Sockets, CR-V Reducers & Hex Extension Bits, 1/4" 3/8" 1/2" Drive

Customer photo review of 21PCS Impact Socket Adapter Set, CR-MO Swivel Sockets, CR-V Reducers & Hex Extension Bits, 1/4" 3/8" 1/2" Drive

This is a super useful kit if you have a large number of sockets in different sizes. I have the full range and it is very useful to have an adapter kit around in case I need to make a quick change but I don't want to change drivers. The kit comes with a useful tray that you should just stuff directly into your tool box or cabinet. The metal on the bits looks fine, but it is impossible to judge without really putting them to the test. Coating is minimalistic, which I prefer... I don't like a lot of build up on the parts.

21PCS Impact Socket Adapter Set, CR-MO Swivel Sockets, CR-V Reducers & Hex Extension Bits, 1/4" 3/8" 1/2" Drive

Customer photo review of 21PCS Impact Socket Adapter Set, CR-MO Swivel Sockets, CR-V Reducers & Hex Extension Bits, 1/4" 3/8" 1/2" Drive

This has to be the most complete set of impact socket adapters I've seen. They have 1/4'' - 1/2'' adapters which is typical but they have them in multiple lengths, which I've never seen. It comes with the swivel sockets which I'm super excited about since I seem to have need for them more and more lately. And, I can now turn every socket impact wrench I have into a bit driver. My only complaint is that while the layout is awesome, for how often I'll use most of the items they take up too much real estate. All of these bits and adapters feel like they are great quality and i can't wait to put them all to use.

21PCS Impact Socket Adapter Set, CR-MO Swivel Sockets, CR-V Reducers & Hex Extension Bits, 1/4" 3/8" 1/2" Drive

Customer photo review of 21PCS Impact Socket Adapter Set, CR-MO Swivel Sockets, CR-V Reducers & Hex Extension Bits, 1/4" 3/8" 1/2" Drive

My husband is a mechanic, so I thought these would be a great addition to our collection. They're actually pretty decent set. He said they're durable and suggesting the price, I great set. Reliable. Should last a long time. Plus they're really cute. I love how organized they are and also how great they fit. Easy to use and work with. They fit right into our drawer at the shop!

21PCS Impact Socket Adapter Set, CR-MO Swivel Sockets, CR-V Reducers & Hex Extension Bits, 1/4" 3/8" 1/2" Drive

The EZARC 21PCS Impact Socket Adapter Set is one of those tool kits that instantly makes your garage or toolbox feel more complete. Right out of the box, everything feels solid and well-made, with a heavy-duty build that inspires confidence when putting it on an impact driver or ratchet. The variety of adapters is a big win here—you're basically covered for almost any socket size transition you'll run into. Whether you're working on automotive repairs, home projects, or general maintenance, having this set on hand saves a ton of time and frustration hunting down the right adapter. The fit is tight and secure, with minimal wobble, which is exactly what you want when using impact tools. The finish also holds up well against wear, and they don't feel cheap or brittle like some lower-end sets. Storage is straightforward too, keeping everything organized and easy to grab when needed. Overall, this EZARC set delivers excellent value for the price. It's durable, versatile, and just plain useful—one of those purchases you don't realize you needed until you have it, and then you end up using it constantly.

21PCS Impact Socket Adapter Set, CR-MO Swivel Sockets, CR-V Reducers & Hex Extension Bits, 1/4" 3/8" 1/2" Drive

I wanted a set of impact adapters for my second garage so that I wasn't always having to run over to the other one when doing repair work. I didn't want to spend a bunch of money on a set of these, and found this set with a great variety of adapters. I've put them through their paces with impact drivers, along with stubby and mid Milwaukee impact wrenches with no issues. I like that they have a nice tray organizer for the toolbox which keeps things organized. Are they Mac or Snap-On quality? No. But you're paying a mere fraction of what they'd charge. I didn't intend to use large impacts with these, so I'm not overly worried about breakage. However, if I were using high-torque impacts, I would likely have spent more time researching and likely spent more money on a set which I knew could hold up to the abuse. They're a solid 4.5 star in my book and thus far, I'm pleased with the performance and value.

21PCS Impact Socket Adapter Set, CR-MO Swivel Sockets, CR-V Reducers & Hex Extension Bits, 1/4" 3/8" 1/2" Drive

This EZARC 21-piece impact socket adapter set is solid, versatile, and clearly built to last. The CR-MO swivel sockets and impact couplers feel durable and handle high torque without any wobble or slipping. The adapters fit snugly, making transitions between 1/4'', 3/8'', and 1/2'' drives smooth and reliable. I really appreciate the mix of universal swivels, reducers, and hex extension bits...it covers almost every situation without needing multiple separate sets. Everything feels well-machined, sturdy, and designed for real work, not light-duty use. Whether you're using an impact driver or hand tools, this set performs consistently and inspires confidence. Great value for the quality and range included, and a smart addition to any toolbox.

21PCS Impact Socket Adapter Set, CR-MO Swivel Sockets, CR-V Reducers & Hex Extension Bits, 1/4" 3/8" 1/2" Drive

This adapter set covers most drive sizes, making it very versatile for mechanics or DIY use. The CR-V steel feels strong, and they've held up well with my impact driver so far. The variety of pieces means you can adapt just about any tool to fit what you're working on. The case keeps everything organized, though the latches could be a bit sturdier. A handy kit if you use both hand tools and power tools regularly.

21PCS Impact Socket Adapter Set, CR-MO Swivel Sockets, CR-V Reducers & Hex Extension Bits, 1/4" 3/8" 1/2" Drive