3/8″ Drive Magnetic Extension – 10″

Forged from a custom cro-moly steel alloy intended for heavy-duty impact applications |Unique spherical broaching grips 6-PT.. 12-PT.. spline. square. star. and even many rounded fasteners |High-contrast laser-etched size callouts for quick. easy identification straight from the drawer |Black-phosphate coating provides superior corrosion resistance while looking great |Exceeds ASME. ANSI. BS. and DIN performance standards |Each set comes on a sturdy anodized aluminum rail with ball detent posts that provide a secure hold and rotate for optimal display of the sockets