The Bostitch 16 gauge FN1664-E finish nailer represents great value for money with the design incorporating class leading features. The FN1664-E has a light weight magnesium construction body, no-nail lockout, rear exhaust and selectable trigger without compromising the high durability and build quality that has made Stanley Bostitch the market leader in performance pneumatic tools for construction. Specification Magazine Capacity: 110 (max). Fires: SB16 Series: 25-64mm. Operating Pressure: 70-120 PSI, 4.8-8.3 Bar. Weight: 1.7kg.