BRAUM Seat Bracket Installation Hardware KitThis installation kit includes 8(SHK8) or 4(SHK4) button head cap screws (8mm x 1.25 thread pitch, 20mm in length), washers, and nyloc nuts. Photo shown is of SHK8. This kit will allow you to mount an aftermarket seat in the following configurations:Bottom Mount Seat:Seat to sliders and sliders to Planted Seat Bracket.Seat direct mounted to Planted Seat Bracket.* Side Mount Seat:**Planted Side Mounts to sliders and sliders to Planted Seat Bracket.Planted Side Mounts direct mounted to Planted Seat Bracket.* *Direct mounting without sliders will require some drilling.**Most side mount seats do not include hardware to attach the side mounts so a separate hardware kit may be needed as well. Photos for marketing purposes only. Actual product may vary in appearance / style.