Einhell 12-piece automotive impact socket set, compatible with ratchets and impact wrenches with a 1/2" square drive. Includes 11 x 40mm impact-resistant hex sockets in sizes 10 to 21mm, marked for easy identification. Made from manganese-phosphated CrMo steel for use with high torque applications. Also includes 125mm socket extension, suitable for accessing hard-to-reach areas such as around the chassis or engine compartment, and for use on light alloy rims. Supplied in a durable L-Case with an EVA inlay in carbon design for organised storage. Chromium Steel 1/2" Straight Shank 1/2" Socket Drive Sizes Ball Socket Lock Hardened Supplied in L-Case Chromium Steel 1/2" Straight Shank 1/2" Socket Drive Sizes Ball Socket Lock Hardened Supplied in L-Case