The FN81T1 delivers the power and durability demanded by professional contractors for all-day performance on the toughest jobsites. It drives a wide range of plastic collated nails from 0.113 to 0.148 in in diameter, and 2 to 3-1/2 in L. Upgraded features include, an ergonomic design, an in-line magazine for clear line of sight and a tool-free depth of drive for quick adjustments.Ergonomic design – superb balance for all-day usePowerful – consistently drives a full range of nailsIn-line magazine – provides clear line of sight for right and left handed operators, improves balance and reduces fatigueAggressive toenail safety – provides extra grip for toenail applications, no-mar tip includedTool-free depth of drive – quickly and easily set the drive depthOvermold grip – increases control of the tool, accelerating productivityRugged rafter hook – rotatable, aluminum design keeps tool secure when not in useDry fire lockout – reduces tool wear and indicates the need to reload fastenersRear two-step loading – allows for rapid reloads for both right and left handed operators