Acc. to DIN 3119, ISO 6788, With protective central reinforcement (DBGM = German utility patent), GEDORE vanadium steel 31CrV3, GEDORE grey powder-coated, Dimensions: 420 x 420 mm, Hot forged hexagon, The collar, typical of GEDORE 4-way wheel wrenches, enlarges the welding area, The positive-fit joint remains solid even under extreme loading, Dimensions: 420 x 420 mm