Blackhawk™ by Proto® 44021M Metric Deep Length Drive Socket, 12 Point Socket, 1/2 in Square Drive, 21 mm Socket
Blackhawk™ by Proto® Drive Socket, Metric Deep Length, 1/2 in Drive, Square Drive, 12 Point Socket, 21 mm Socket, 3-3/32 in Overall Length, 1-7/64 in Drive End Width, 1-7/64 in Socket End Width, Alloy Steel, Full Polished Nickel Chrome
- Machined to help prevent fastener rounding
- Sockets are double nickel chrome plated for a corrosion resistant, full polish finish