... (diameter: 12.7mm)Weight: 931g/pc,Width: 13.3cm,Diameter of ball: 4.7cm,Package information : 1pc in blister,8pcs/ctnsurface ... container twist lock, trailer door lock, trailer pin lock, truck lock , locking gear, trailer door handle lock, trailer wheel lock, semi trailer lock, car lock, door lock Universal trailer lock, Free ...