Caterpillar-style premium aftermarket tooth or wear-system pin. Part reference 134-1808. Size/application: J800 Pin. Matching tooth-system size: J800. Matching retainer reference: 134-1809. Secures the replaceable tooth, protector or ripper component to its matching adapter. Brand compatibility: Caterpillar and premium aftermarket systems built to the matching Caterpillar specification. This hardware fits only the specified system and matching dimensions.