Chrome Vanadium Steel Durable CR-V with Reinforced Walls:Our CR-V sockets deliver unparalleled reliability and safety by fundamentally eliminating the bursting risk common in thin-walled carbon steel models. This is achieved through the powerful synergy of superior chrome-vanadium steel and a robust, thickened inner wall design. Premium quality: Our tool set are all made from premium quality chrome vanadium steel alloy, and its mirror chrome plated finish perfectly achieved outstanding strength and wear resistant. What you get: Our small socket set included 21pcs bit sockets: SL4,5.5,7, PH1,2,3, PZ1,2,3, HEX 3,4,5,6,7,8; T10,15,20,25,30,40 and 13pcs 1/4 DR metric sockets(4-14mm): 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13, 14 mm; 1pc 1/4 quick ratchet handle. Multi extension bars: This ratchet wrenches set included multi extension bars is suitable for various scenarios: 1pc 1/4"dr universal joint, 1pc 1/4"dr × 2" extension bar, 1pc 1/4"dr × 4" extension bar, 1pc 1/4"dr × 6" flexible extension, 1pc 1/4"dr sliding t-bar, 1pc 1/4"dr sliding t-bar, 1pc 6" spinner handle and 1pc-bit adapter. Wide application: This socket wrench set is perfect for home improvement, carpentry tools, construction, auto repair, woodwork, and other DIY projects. This tool makes for a beautiful unique gift for men on various occasions like Father's Day, Birthday or anniversary. Easily used and storage: ratchet set comes with quick release switch and reversible mechanism for easy operation.The rubber handle for better and more comfortable grip. 1/4 socket set's sturdy blow molded tool box makes the sockets easy to store and carry. Our socket set included 21pcs bit sockets: SL4,5.5,7, PH1,2,3, PZ1,2,3, HEX 3,4,5,6,7,8; T10,15,20,25,30,40;13pcs 1/4 DR metric sockets(4-14mm): 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13, 14 mm; This ratchet wrenches set included 1/4" quick release ratchet wrench. This ratchet wrenches set included multi extension bars is suitable for various scenarios: 1pc 1/4"dr universal joint, 1pc 1/4"dr × 2" extension bar, 1pc 1/4"dr × 4" extension bar. This ratchet wrenches set included multi extension bars is suitable for various scenarios: 1pc 1/4"dr × 6" flexible extension, 1pc 1/4"dr sliding t-bar, 1pc 1/4"dr sliding t-bar, 1pc 6" spinner handle and 1pc-bit adapter.