Stahlwille 02420034 9/16" x 3/8" Deep Bi-Hex Socket

Deep bi-hex socket with 3/8" square drive for use on 9/16" fasteners such as nuts and bolts.This bi-hex socket is made from HPQ® high performance steel, which is chrome plated.Adheres to standards DIN 3124 and ISO 2725-1.Not suitable for machine operation.