Roofing Coil Nailer shoots 11 gauge 3/4" to 3/4" Long Coil nailer. Pneumatic nail feed mechanism powers both the nail advance and return for consistent operation even in the harshest of conditions. Constructed with all aluminum components for durability. Tool-less depth of drive dial can be adjusted on the spot to meet the application for ultimate convenience. Ergonomic design and exceptional tool balance not only reduces user fatigue and repetitve injuries, but also provides more control during use.