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.