Product information product name: 809-y002-b 809-y004 product model: motorcycle seat quick release custom screw base kit product material: 304 stainless steel product surface treatment electroplating process product function: easy to install or remove without tools.Eliminates the hassle of removing the seats on your motorcycle. Work 1997-now xg, xl, dyna, softail except 2012-2017 fls models equipped with original equipment seat , touring and trike models equipped with 1 4 -20 seat mount hardware. Does not fit seats equipped with spring-loaded rear seat bracket. Eliminates the hassle of removing the seats on your motorcycle. Easy to install or remove without tools. Screw made from machined 304 stainless steel with a knurled knob. Screw has 1 4 -20 thread. Screw has black finish. The surface treatment of the screw is electroplating process, which is wear-resistant, anti-corrosion, and not easy to peel off the paint. The item fit list fitment notes & exceptions does not fit2012-2017 fls models equipped with original equipment seat. Fitment notes & exceptions does not fit seats equipped with spring-loaded rear seat bracket. Fit 1997-now sportster dyna softail touring equipped with sae 1 4 -20 seat mount hardware fit xr1200 xr1200x fit sportster 1200 sportster 883 nightster nightster special forty-eight seventy-two iron 883 iron 1200 street 750 sportster 1200 custom roadster superlow fit fat boy fat bob softail standard heritage classic low rider low rider low rider st breakou...