high load Jumbo coil nail,rich in different size for your choice.and fit in different pneumatic nail-jetting gun high load Jumbo coil nail material:Q235,Q135 our nails diametre is 2.1mm(0083"),2.3mm(0090"),2.5mm(0099"),2.87mm(0112"),3.05mm(0120"),3.33mm(0131"), the length from 20mm to 100mm(3/4"-4").shank treatment is polished,vinyl, bright, Hot-Dipped-Galvanized, Electrical-Galvanized.and for ...