Version: Forged from high quality steel, internally bevelled for easy fitting to bolt heads. Close tolerance jaw widths. Internal squares to DIN 3120-D 20 with hole and release button. Standard: DIN 3124-S Material: Chrome vanadium steel, chrome-plated. Technical Data Width across flats 36 mm Square drive 3/4 in ā drive output end 50 mm Length 58 mm Drive profile Hexagon socket Type of product Socket insert Article number 644550-36 EAN / GTIN 4045197561046