Raptor Series 7* SSR Boards are made from 304 stainless steel materials, which are polished to a mirror finish. These boards feature high impact ABS plastic end caps and a 7* stepping area providing the best footing for any family member, even the little ones. The mounting brackets come pre-installed and are designed to bolt to the factory mounting points providing an easy no drill installation(most models) and come with a limited lifetime warranty.