John Deere-style premium aftermarket tooth or wear-system pin. Part reference TK300P. Size/application: TK300 John Deere Pin Fastener. Matching tooth-system size: John Deere TK300. Matching retainer 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.