John Deere-style premium aftermarket tooth retainer or locking component. Part reference TK3L. Size/application: JD TK3L Retainer. Matching tooth-system size: the matching tooth or wear system shown by the part reference. 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: John Deere and premium aftermarket systems built to the matching John Deere specification. This hardware fits only the specified system and matching dimensions.