Product Description Socket wrench insert for 3/8" . Technical Information:Material:CrV steelDrive:3/8"Sizes:6 / 7 / 8 / 9 / 10 / 11 / 12 / 13 / 14 / 15 / 16 / 17 / 18 / 19 / 21 / 22 / 24 mmManufacturer Numbers:6 mm:235007 mm:235028 mm:235049 mm:2350610 mm:2350811 mm:2351012 mm:2351213 mm:2351414 mm:2351615 mm:2351816 mm:2352017 mm:2352218 mm:2352319 mm:2352421 mm:2352622 mm:2352824 mm:23530Contents:1 x Manufacturer: PROXXON S.A. Härebierg 6-10 6868 Wecker Luxembourg office@proxxon.com