This is designed to fix WC pan/bidets to a variety of solid building materials and is adjustable for a flexible installation. This set comes with countersunk nylon bushes that helps to prevent damage on the fixing. Features: These are used with nylon plugs in wood Has countersunk holes to prevent damage These can be used on a range of different materials Designed to fix WC pan/bidets to a variety of solid materials This is a pack of 2 Specification: Material: Zinc Plated Finish: Zinc Plated Colour: Silver Brand: Timco Width: Various Length: Various Height: Various