BOnguard Mastiff Loop Chain Lock with X4 Padlock (Black, 130 cm x 10 mm) ReviewbP PP Onguard Mastiff Loop Chain Lock with X4 Padlock (Black, 130 cm x 10 mm) PChain LocksP4.22' 10mm 0.39'' hexagonal link chain lengthPChain Dimensions 180cm x 10mm6' x 0.