3 PRO 21 Degree Gas Powered Framing Nailer: A 3 PRO 21 degree gas powered framing nailer, model GFN2190. The 3 Pro nailer operates on fuel cell and cordless battery, portable and convenient for operation, a powerful drive of 2"-3-1/2" nails for every framing job, light-weight and well balanced, adjustable depth control, anti-dry fire mechanism, improved air filter effectively prevents dust, collapsible reversible rafter hook, low battery and high temperature indicator light, full sequential actuation, patented structure for easy cleaning, repair and maintenance and a patented vented check valve. A fuel cell life 1200 nails, battery life 5000 nails per charge at 2-3 nails per second. Accommodates 2"-3 1/2" fasteners. in a short magazine. Case and goggles included.