1.Rubber Ring 2.Materials: Gray rubber 3.Dia.: 80~200mm 4.Loading capacity: 50~205kg 5.OEM is welcome. Standard Gray Rubber RingItem No.:XXXGRRDia.: 80mm,100 mm, 125 mm,140mm,150mm,160mm,180mm,200mmLoad capacity: 50kg,70Kg,100kg, 120kg,140kg,160kg,180kg,205KG. OEM are welcome. Gray Rubber Ring