Stahlwille 442 Bit holder, 3/8″ Drive for 1/4″ bits
Socket, hexagon 1/4″ inside hexagonDIN 3126/ISO 1173 D 6.3Internal hex drive with a collar-thrust springBits are easy to insert, lock securely in position and can be removed just as easily – even hex bits with a wide groove (Type E, DIN 3126/ISO 1173).
