Coil nails length: 1-1/4" to 3-1/2" shank: smooth, screw, ring. finish: bright, vinyl coated,EG ,HTG and mechanical plating ... "length: 1-1/4" to 3-1/2"shank: smooth, screw, ringfinish: bright, vinyl coated, hot dip galvanized EG(WZ,YZ ... /palletUsed for felt, board, roof, machinery, pneumatic tool, etc. coil nails