Description:

• Socket size: 21 mm
• Drive: 10mm (3/8 “)
• Material: CrV steel 31 CRV3
• forged
• Optimal surface protection: 2x nickel and 1 x chrome
• all socket wrench from PROXXON are equipped with the Driver system in which the drive is not carried out on the corners but on the flanks. For high power transmission; Edges and nuts remain unaffected