Material:Aluminum alloy Engraved Works well on almost all Harley Davidson. This bolt is for rear of seat to top of rear fender mount. Not for side mount bolts or nuts or not for nut mounting. No tools needed to install or remove. Easy installation. Stable characteristics, high reliability. Fitment: Fit for Harley Sportster 1996-2015 Wide Glide Street Bob Roadking Fatbob Streetbob Softail Dyna Street Glide Road Glide Ultra Glide Touring and other model with 1/4-20 thread