Sunex Single 3/8" Drive 21mm Metric Deep Impact Socket, Built Tough for Everyday Use, Heavy-Duty Impact Socket for Lug Nuts, Suspension, and Shop Work

Sunex Single 3/8" Drive 21mm Metric Deep Impact Socket
✔️ 1 impact socket, 3/8" (9.53 mm) drive, 21 mm (0.83") size, deep

This Sunex single impact 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 socket
✅ Brand: Sunex
✅ Drive size: 3/8" (9.53 mm)
✅ Size: 21 mm (0.83")
✅ Measurement system: metric
✅ Depth: deep
✅ Impact rated for use with impact tools
✅ Mfr part number: 321MD

💡 What makes an impact socket safe for impact wrenches?
It's all about the steel and the wall design.

• Impact sockets use tougher steel that flexes instead of cracking
• Thicker walls soak up the hammering from impact tools
• Many have a pin and ring hole to lock the socket onto the anvil