Specification OE: 78830 Material: Alloy Steel, Carbon Steel Process: Heat Treatment, Hardening, Forging Color: Black Style: Industrial Assembly Required: Yes Applicable: Used with a 1-1/4" socket and 1-1/4" or 32mm Wrench Package Size: 42*26*6cm/ 16.54*10.24*2.36in Gross Weight: 8kg/ 17.64lbs Net Weight: 7.6kg/ 16.76lbs .