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Description
R12 Series JAT-4821/4 in. 1HP Right Angle Die GrinderRated to last for those demanding 12 hour days, the R12 Series air tools are built to tackle the most extreme jobs. Engineered for Overtime, these tools feature the superior strength and durability needed across a wide range of applications. Jet backs this product with its Red Assurance Lifetime Warranty. Upgraded full, 1 HP motors provide the heavy duty power needed for harsh industrial environments Impact resistant composite housings reduce tool
Rated to last for those demanding 12-hour days, the R12 Series air tools are built to tackle the most extreme jobs. Engineered for Overtime, these tools feature the superior strength and durability needed across a wide range of applications. Jet backs this product with its Red Assurance Lifetime Warranty.- Upgraded full, 1 HP motors provide the heavy-duty power needed for harsh industrial environments
- Impact resistant composite housings reduce tool weight and user fatigue
- Precision spiral bevel gears transfer torque and speed to spindle for added durability
- Right-angle head design for reaching tight or angled grinding jobs
- Tapered angle gear housing allows greater visibility of targeted work area
- Variable-speed throttle ramps up to maximum RPM, while the safety lock prevents accidental engagement
- 360° rotating air inlet keeps the air hose tangle free for added safety
- Rear facing exhaust
- Performance at 90 psi air inlet NPT 1/4 in. min hose size 3/8 in.
Features
| Item Weight | 3.5 |
| Housing Material | Composite |
| Hose Included | No |
| Returnable | 180-Day |
| Recommended operating pressure (psi) | 90 |
| Tools Product Type | Air Tool |
| Air consumption at recommended operating pressure (CFM) | 5.3 |
| Included | No additional components or accessories are included |
| Tools Included | No Additional Tools Included |
| Air Tool Type | Grinder |
| Project Type | Surface Prep |
| Tool weight (lb.) | 3.2 |
| Maximum grinding speed (rpm) | 12000 |
| Grinder type | Die |
| Product Height (in.) | 2.1 in |
| Air Inlet Size | 1/4 |
| Product Depth (in.) | 8.3 in |
| Wheel Width (in.) | 0 in |
| Product Width (in.) | 1.9 in |
| Product Length (in.) | 8.3 in |
| Manufacturer Warranty | 2 Years |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Comfortable
Size: 6-10, Color: Halo Gray/Assorted
These are my favorite socks!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 22, 2025
★★★★★ 5
Great sock liners
Size: Medium, Color: (001) Black / Black / Pitch Gray
Awesome socks. Has little gel pad on top of heel for no slip. Thin and comfortable. Previously Purchased at Nordstrom rack and no longer in stock. Happy to find here
Note: Will shrink a little best to air dry
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
★★★★★ 5
Very good product
Size: Medium, Color: (001) Black / Black / Pitch Gray
I purchased these to wear inside lowcut slip on casual shoes, I don't particularly like to not wear socks in my shoes for hygienic reasons. Prior to purchasing these socks, all I could find were those made of very light beige hosiery type material , and my slip on shoes would slide around a bit. These are light weight and breathable athletic type material, with a very good gripper strip at the heel. One pair of my slip on casual shoes have a particularly lower cut in the toe area, but the shoe is black and I chose the black color and though I see a hint of the sock there, it matches and does not detract from the look of the casual solid black shoe
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Reviewed in the United States on May 15, 2026
★★★★★ 5
They stay out! No more sock wads!
Size: Medium, Color: (100) White / White / Mod Gray
Best no show socks ever made!!!!! I've been struggling for 2 years to find ones that actually stay on your foot, even other national brands, and I just became content wearing my sneakers without socks. They ALWAYS slid down into my show & I ended up walking on a wad of sock until I could fix it...or usually just took them off after a couple of tries. Enter Under Armor!!! They a mid weight, but not very thick & still breathable. They work too by actually staying on your foot! Not once have they slid down into my show!! Very comfortable but they could be a little more affordable.
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Reviewed in the United States on August 1, 2025
★★★★★ 5
Love!
Size: Large, Color: (100) White / White / Mod Gray
Ive tried so many no show socks but I love these. This is the 3rd set I've bought. They never slip off and the material is thin and breathable. Perfect for working out.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 2, 2026
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