Shop All Sockets
Proto
SKT 3/8DR 21MM 12PT
Mfr # PO5221M
Zoro # G802019757
product price: $8.59
/ea
$8.59
Free Shipping on orders over $50
after youÂ
Free 30-Day Returns
Get 10% Off Your First Order
Real Support From Real People
Contact Our U.S.-Based teams
Free 30-Day Returns
Return Policy
Accepted Payment Options
![paypal](https://www.zoro.com/static/assets/img/base/icons/paypal-81447b0e73.png)
Product Information
Ratings & Reviews
3 Reasons You Can Count On Us
Supplies for every job.
10 million items and the exact one you need.
When you need it fast, count on Zoro!
2 million products ship in 1 day.
Stretch your budget further.
Everyday low prices on the brands you love.
Explore More Products
- WIHA Tool Set Screwdrvr Torx 6Pcs (36296)
- KLEIN TOOLS Swivel Snap Hook (2012)
- YG-1 TOOL CO 3 Flute Spiral Fluted Combo Tap For Multi-Purpose Ticn Coated Hss-Ex (T2523C)
- DRILL AMERICA 5/32" HSS Heavy Duty Split Point Stub Drill Bit (DWDST5/32)
- PROTO 3/4 in Drive, 2-3/16" Triple Square SAE Socket, 12 Points (J5570)
- PROTO 1/2 in Drive, 1-3/8" 6 pt SAE Socket, 6 Points (J5344H)
- PROTO 1/4 in Drive, 7/16" Triple Square SAE Socket, 12 Points (J4714LT)
- PROTO 1/2 in Drive, 26mm 6 pt Metric Socket, 6 Points (J7426M)
- PROTO 1/2 in Drive, 1-3/8" 12 pt SAE Socket, 12 Points (J5444-TT)
- PROTO SKT 3/8DR 11/16 6PT (PO5222H)
- STAHLWILLE TOOLS 10 mm (3/8") Socket Size 17 mm L.31 mm (02010017)
- Proto Sockets