Curve Flex 1873 Roller Chain Snap on Plate Top Chain Conveyor Side Flexing 1873 Snap-on Chains with Steel Roller Base Chain ANSI 60 12A 19.05mm Carbon Stainless Steel 1873-K325 K450 K600 K750 K1000 K1200 1873 SS-K450 K750 for PET Bottles Elevators Lowerators, Turn-Key Bottle Inverter Lines, 1873 Plate Top Chain Snap on Roller Base Chain