- Hot forged- Matt chrome-plated- Knurled- Elora-Chrome-Vanadium 31CrV3 / 1.2208- Female square Conforms to DIN 3120-D 20, ISO 1174, with locking pin- Conforms to DIN 3124, ISO 2725-1- Weight g : 430gd1 mm : 50,7d2 mm : 40,0Length mm : 61,0