Sizes: 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13, 14 & 15mm 1/4" drive so will fit any 1/4" drive ratchets / bars / extensions etc. 6 Point single hex socket Made from strong chromium-molybdenum steel for strength and durability and helps resist abrasion, oxidation, and corrosion Supplied on storage rail This high quality Socket Set comes to you brand new with retail packaging. This is a perfect addition / replacement to any toolbox or workshop