PLEASE CHECK YOUR SIZE AND THREAD BEFORE ORDERING these spike nuts are threaded for 3/8"-24 axles, They measure aprox 1-5/8" tall with a 9/16" hex base set of 2 chrome plated steel axle nuts to fit both new and vintage bicycles perfect for show bikes , lowrider , custom beach cruiser It is made high quality 304 stainless steel The surface is beautiful, bright, durable, and scratch-free. Highly polished to a beautiful mirror-like finish.