Model number160;coil nails 160;type160;roofing coil nail, wire coil nail 160;material160;steel160; 160;length160;25-130mm 160;head diameter160;5.0mm-8.4mm 160;shank diameter160;0.083", 0.090", 0.099:, 0.113"0.120", 0.131", 0.148" 160;angle160;15 degree 160;shank type160;somooth. Ring, screw160; 160;point type160;dp, cp, fp 160;finish160;160;bright, eg, hdg, dacr, mechgalv, heat treated 160;color160;golden, black, silver Common :300pcs/roll , but it depends on the nail size too