Caterpillar-style premium aftermarket tooth retainer or locking component. Part reference 3352LOCK. Size/application: Retainer. Matching tooth-system size: the matching tooth or wear system shown by the part reference. Matching pin reference: 3352PIN. 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.