... Good after-sales service 2.1X28mm Ring Shank Pallet Coil Nails 1) material: Q235/Q1952) shank: smooth/ring/screw3) finish treatment: bright ... nails, common nails, finishing nails(lost head nails/ headless nails), concrete nails, pallet nails, roofing nails (clout nails), square boat nails, masonry steel nails, shoe nails, duplex nails, plastic head nails, wood screw, drywall screw, plastic coil ...