Max CN70 1-3/4-Inch to 2-3/4-Inch Heavy Duty Coil Nailer for pallets, Siding CN70 Heavy Duty Coil Nailer up to 2-3/4" The MAX CN70 is safety equipped lightweight yet heavy duty professional grade industrial coil nailer. Its die cast aluminum construction contributes to its lightweight. The CN70 is best used for industrial applications such as making pallets, drafting, decking, fences and packaging. MAX is committed to manufacturing reliable tools that have been designed to deliver enhanced performance while making sure that users can carry out safe operations.