Caterpillar-style premium aftermarket tooth or wear-system pin. Part reference 7T3408. Size/application: J400 Pin. Matching tooth-system size: J400. Matching retainer references: 8E8409, 116-7409. 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.