General description A heavy-duty ten-piece set of 3/8""D crows foot wrenches, designed for professional automotive use. This set includes a full range of sizes from 10mm to 19mm and is ideal for use with an extension bar and ratchet. The wrenches are manufactured from chrome molybdenum with a black finish for enhanced strength and durability, and they come presented in a fitted blow mould storage case for safe storage. Technical specifications Size range: 10mm to 19mm Material: Chrome molybdenum Finish: Black Drive size: 3/8""D Other information Supplied in a blow mould storage case Larger set also available (Laser Part No. 4713 for 1/2""D set)