The FN91T1 delivers the power and durability demanded by professional contractors for all-day performance on the toughest jobsites. It drives a wide range of paper tape collated nails from .113 in. to .135 in. in diameter, and 2 in.- 3- in. in length. Upgraded features include, an ergonomic design, an inline magazine for clear line of sight and a tool-free depth of drive for quick adjustments.