This is a A-AL662 AL662 Pintle Chain, 10 ft PN: AL662Main Description As Following : A-AL662 AL662 Pintle Chain, 10 ft P.N: AL662 A-AL662 AL662 Pintle Chain, 10 ft P.N: AL662 Crossed From: D662 , , WN-AL662 , , WNAL662 , , 2221-49121 JOHN DAY Found in Section & Models : Chains/ Sprockets/ Pulleys/ Hubs > Pintle Chains, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : A-AL662CO Also This is An Aftermarket Product And : Links Per 10 Feet: 72 Pin Diameter: 0.281" Pin Size: 5/16" Pitch: 1.664"