
This is a A-507-0750 Coupler Insert PN: 507-0750Main Description As Following : A-507-0750 Coupler Insert PN: 507-0750 Found in Section & Models : Chains/ Sprockets/ Pulleys/ Hubs > Jaw Couplings, Weasler (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : Solid Insert Interchanges with Lovejoy Type: L075