Kobalt 3-Piece 1/4-in; 3/8-in; 1/2-in to U-Joint

This universal joint adapter set includes 1/4-in, 3/8-in and 1/2-in drive adapters. Helps get to hard-to-reach fasteners. Constructed of chrome vanadium steel and heat treated for strength and durability. Professional grade, high polish finish. Meets or exceeds ASME specifications. Hassle-free lifetime guarantee.