Proto Single 3-3/4" SAE 6-Point Impact Bit Socket, Black Oxide Finish, Ready for Garage and Job Site Use, Impact Wrench Ready Socket for Auto Repair and Job Site Use

Proto Single 3-3/4" SAE 6-Point Impact Bit Socket
✔️ 1 impact bit socket, 3-3/4" size, 6-point, black oxide finish

This Proto single impact bit socket is made to take the hammering of impact wrenches and drivers without cracking. It's a handy pick for tire shops, truck service, and heavy equipment repair.

✅ Pack size: 1 impact bit socket
✅ Brand: Proto
✅ Size: 3-3/4"
✅ Measurement system: SAE
✅ Points: 6-point
✅ Impact rated for use with impact tools
✅ Finish: black oxide
✅ Mfr part number: J075909/16

💡 Why are impact sockets black instead of chrome?
Impact sockets usually get a black finish because they're made from tougher, less brittle steel.

• Impact grade steel flexes a bit under shock instead of cracking
• Chrome sockets are harder and can shatter on an impact wrench
• The black oxide finish helps fight rust in shop and outdoor use