self-adhensive pin base slab:37mmxmm,50mmx50mm Length of nail:21,32,42,45,51,60,63,71,89,114mm Detailed product DescriptionSelf-adhesive pins 1,Galvanised steel with self-adhesive base 50 x 50 mm and 37x37mm2,Zinc plated steel pins (copper/aluminium on request) diameter 2.7 mm and 3, Lengths of nail:25mm,32mm,41mm,45mm,51mm,60mm, 63mm,70mm,89mm,114mm