Caterpillar-style premium aftermarket tooth retainer or locking component. Part reference 201-1239. Size/application: DRS230 Series Retainer. Matching tooth-system size: DRS230. Matching pin reference: 201-1238. 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.