Premium Quality: Crafted from heat-treated and black phosphate coating treatment hardened chrome vanadium steel for superior durability.
Complete Sizes: Everything you need-including 4 pcs reducers: 1/4"F to 3/8"M, 3/8"F to 1/2"M, 3/8"F to 1/4"M, 1/2"F to 3/8" M; 3 pcs socket adapters: 1/4, 3/8, 1/2 inch drive; 3 pieces universal joints: 1/4, 3/8, 1/2 inch drive.
Great Versatility: Spring ball bearings on each square head to securely lock into sockets to avoid slipping during use. Adapt to the flexible use of heavy-duty power tools, drivers, hand wrenches, and screwdriver handle tools.
Clear Marking: Every socket adapter features high visibility laser etched size marking for easy identification.
Well Organized: Heavy-duty blow-molded case let all the socket adapters stay organized to take your set on the go.