Popular home and professional workshop item, providing a set of all popular Allen wrenchesIncludes 2, 2.5, 3, 4, 5, 6, 8, and 10 mm sizesBondhus Balldriver tip on the long arm (except on 8 mm and 10 mm sizes) allows access to awkwardly placed boltsSuper strong 8650 Cr-Vn tool steelHolder features tapered holes for easy location