The Cromar Pro Ridge Universal Ridge Kit is suitable for ridge and hip application and works with most ridge tiles. Quicker and easier to install over the mortar alternative Competitively priced Screws and clamps in pre assembled bag for speedy installation. Dry fixing - application in all weathers Quicker and easier to install over the mortar alternative. Competitively priced Screws and clamps in pre assembled bag for speedy installation. Stainless Steel Fixing screws Self sealing polyamide clamping plate (No washer required), Manufacturer: Cromar Building Products