This electric socket is manufactured with chrome-vanadium steel material for safer and lasting use. Compact size, light weight makes it very easy to operate. It comes with sturdy and high toughness features, can meet your various needs no matter for drill chuck or electric drill. Features - Color: Assorted color. - Material: chrome-vanadium steel. - Size: 5.00X4.00X4.00cm/ 1.97X1.57X1.57inch. - Specification of the sockets: 14mm, 17mm, 18mm, 19mm, 21mm, 22mm. - Constructed with chrome-vanadium steel materials for reliability and high strength. - Socket sleeve is an important accessory in your tool box for quick repairing can used for electric drill. - Features high toughness, it has practical value, firm and strong design, not easy to deform and wear resistance. - The whole is heat-treated, resistant to impact , surface phosphating, strong waterproof and rust-proof. - Excellent performance, details, professional manufacturing, can be better applied for car repairing. Package list: 6 x impact sockets 1 x adapter(8/3) 1 x screwdriver cover 1 x drill chuck 1 x screwdriver bit 1 x whistle 1