Air Nailer CN70 KingOu Pneumatic Coil Nailer CN70 KingOu The Pneumatic impact Air Nailers to 15 degree Wire Coil Nail is designed for high speed operations and more difficult productions.The tool works perfectly witch wooden pallets. Coil Nails CN55 – Available from 1 3/4" inch to 2” inch and diameter from .092 inch to .099 inch. CN70 – Available from 1 3/4" inch to 2 1/2 inch and diameter of .099 inch. CN80 – Available for 3” inch.