Premium Quality: Our tool set is made of high-quality chrome-vanadium alloy steel, and its mirror chrome-plated surface gives it excellent strength and wear resistance.Contents: Our socket set includes 21 sockets: SL4, 5.5, 7, PH1, 2, 3PZ1, 2, 3 HEX 3, 4, 5, 6, 7, 8 T10, 15, 20, 25, 30, 40 and 13 Metric 1/4 DR sockets: 4, 4.5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13, 14 mm; 1 x 1/4 Quick Ratchet Wrench.Multiple Extension Rods: This ratchet wrench set includes multiple extension rods for various situations: 1 x 1/4" universal joint, 1 x 1/4" 2" extension rod, 1 x 1/4" 4" extension rod, 1 x 1/4" 6" flexible extension rod, 1 x 1/4" sliding T-bar, 1 x 1/4" sliding T-bar, 1 x 6" swivel handle, and 1 x drill adapter.WIDE APPLICATION: This socket wrench set is perfect for home improvement, carpentry, construction, auto repair, woodworking and other DIY projects. It's a unique and novel gift for men, perfect for Father's Day, birthdays or wedding anniversaries.EASY TO USE AND STORAGE: The 1/4 socket set features a quick-release switch and reversible mechanism for easy use. The rubber handle provides a more comfortable grip. Its sturdy blow-molded tool case allows for easy storage and transportation of the sockets.