1. Products include: 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. 2. : 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. 3. Easy Usage and Storage: A ly designed sturdy blow molded, moisture resistant toolbox is included with designated slots and imprinted sizes for every socket and accessories. Quick release switch and reversible mechanism for easy operation; its sturdy blow molded toolbox makes the sockets easy to store and carry. 4. 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.