PROTEC.class 05105936 PSSL17 1/2Z 6-kt 17mm socket wrench insert

, Socket wrench inserts 1/2, hexagon, chrome-vanadium 31CrV3 / 1.2208 chrome-plated / polished / knurled, internal square according to DIN 3120-C 12.5, ISO 1174, with ball catch groove, design according to DIN 3124, ISO 2725-1, length: 40 mm