Premium Quality: Our ratchet tool set are made of high quality chrome vanadium steel alloy, and its mirror chrome plated finish perfectly achieves outstanding strength and wear resistant qualities. Our socket wrench set includes 21 different sizes of bit sockets: PH1, 2, 3; SL4, 5.5, 7; PZ1, 2, 3; HEX3, 4, 5, 6, 7, 8; T10, 15, 20, 25, 30, 40. And 13 different sizes of drive sockets from 4 to 14mm. Also includes 3 sizes of extension bars, 1 ratchet wrench, 1 spinner handle, 1 universal joint, 1 sliding T bar, 1 bit adapter and 3 hex key wrenches, along with a blow case to store them all. Easily to Use and Deposit: Quick release switch and reversible mechanism for easy operation; Rubber handle for better and more comfortable grip. Its sturdy blow molded toolbox makes the sockets easy to store and carry. Wide Application: This 1/4 socket tool set is perfect for home improvement, carpentry, construction, auto repair, woodwork, and other DIY projects. Also can be a great gift for men on various occasions like Father's Day, Birthday or Anniversary. Material: 50BV30 Chrome Vanadium Steel Head Style: Hex Measurement System: Metric Box Dimensions: 24 x 12.5 x 4cm/9.5 x 4.9 x 1.6 Weight: 1.2kg/2.6lbs Material: 50BV30 Chrome Vanadium Steel Head Style: Hex Measurement System: Metric Box Dimensions: 24 x 12.5 x 4cm/9.5 x 4.9 x 1.6 Weight: 1.2kg/2.6lbs