Roofing Nails, hardboard nails, clout nail Specification: dia0.120", 3/4"----3" Features: Large flat head, Smooth or twisted shank, Diamond point; Finish: electro galvanized (blue zinc, yellow zinc); Packing: 1kg/box, 25boxes/ctn; 50lb/ctn, 48ctns/pallet Used for securing roofing felt, lead sheet etc.