STANLEY 1/2"IMPACT Coupler 1/2"F-3/8"M STMT73507-8B
With max-drive™ design, a unique radius corner design that provides 15% more torque than standard sockets, making it easy to tighten fasteners and simplifying the turning of rounded corners
Features & Benefits
ASMEB107.2, ISO1174-2
Chrome-Molybdenum steel
Designed specifically for impact tools-maximum performance and safety