The Railblaza RailMount is a practical and simple-to-use mount, allowing the easy attachment of Railblaza accessories, and many other accessories. The RailMount simply fits around any rail and screws together for a firm fit. There is no need to drill holes so it can easily moved to a different spots if necessary. The RailMount 19-25 can be mounted onto any 19 or 25mm(0.75 or 1″) rail in minutes. All RailMounts come complete with adapters, rubber grips, self-adhesive grip tape and the necessary stainless steel mounting screws.