Includes 11-pc. metric offset box end wrenches: 6 x 7 mm, 8 x 10 mm, 9 x 11 mm, 12 x 14 mm, 13 x 15 mm, 16 x 18 mm, 17 x 19 mm , 20 x 22 mm, 21 x 23 mm, 24 x 27 mm, 30 x 32 mm Generous Offset – Each end is offset 45 degrees, creating plenty of clearance for your fingers and allowing an easy reach over and around obstructions 12-Point Openings – Doubling the access angles of 6-point wrenches, these 12-point openings make it easier to work in tight spaces Non-Rounding Geometry – To prevent damaging round–off, the geometry of each opening contacts and applies force to the flat sides of fastener heads rather than the corners No Skipped Sizes – This set contains every size from 6 mm to 32 mm