Komatsu-style premium aftermarket tooth retainer or locking component. Part reference KP40C. Size/application: K40 Retainer Komatsu. Matching tooth-system size: K Series K40. Matching pin reference depends on the installed system generation and is not separately identified in this catalog. Secures the replaceable tooth, protector or ripper component to its matching adapter. Brand compatibility: Komatsu and premium aftermarket systems built to the matching Komatsu specification. This hardware fits only the specified system and matching dimensions.