Bostitch BT1855-E Pneumatic Brad Nailer 18 Gauge BT1855-E The Bostitch BT1855-E Pneumatic Brad Nailer has a selectable trigger system and oil-free engine together with a moulded handle design to give maximum performance with improved durability and tool balance. With a host of features to meet the demands of todays construction users.It comes complete with 1,000 fasteners and a heavy-duty carry case.Magazine Capacity: 100 (max). Fires: BT13 Series: 15-55mm. Nail Head: 2mm (max). Nail Length: 15-55mm. Operating Pressure: 70-120 PSI/4.8-8.3 Bar. Weight: 1.23kg.