WORK (work) Lightweight lock nut set RS Nut Black 21HEX M12 × P1.25 Total length 34mmWORKRSNUT-BK125

A lightweight nut that pursues fashionability. With lock that helps theft prevention. 16 owlonuts/4 rock nuts/1 rock adapter There is a WORK mark engraved on the top of the nut.