Comparison : Item # MWH4070, S40 WELD HINGE-70MM STEEL
Item # MWH4080, S40 WELD HINGE-80MM STEEL
Item # MWH4090, S40 WELD HINGE-90MM STEEL
Item # MWH40100, S40 WELD HINGE-100MM STEEL
Item # MWH40120, S40 WELD HINGE-120MM STEEL