Material:galvanized steel Length of pin:23,32,43,53,63,75,89,114mm The size of plat:37x37,50x50mm Detailed product DescriptionSelf-adhesive pins Galvanised steel with self-adhesive base 50 x 50 mm (2" x 2") Zinc plated steel pins (copper/aluminium on request) diameter 2.7 mm and lengths of 25 and 70 mm.