The Model 445 is the professionals' choice. Made in the USA, this pneumatic tongue and groove floor nailer is built to exacting standards. From its cast aluminum body, anodized aircraft aluminum internal parts, specialized U-cup seals, to the best warranty in business, this is the professionals' first choice! The 445 shoots 16 gauge L shaped Powercleats® uniquely designed by Powernail® to reduce cracking and splitting. Available in sizes from 1-1/2", 1-3/4", 2", in length. This pneumatic is equipped with a special safety trigger, is mallet actuated, and works from 70 to 110 psi. The 445 adjusts from 5/8" (16mm) to 3/4" (19mm) using non-marring shims and pads and is the ideal nailer for installing oak, maple, ash, pine and other similar wood species. The Powernailer® package includes: one white rubber capped mallet, pneumatic oil, extra driving blade, two allen wrenches, two box wrenches, 5/8" and 3/4" adapter pads, two shims, and owner's manual.