The air carton stapler Rongpeng MTA18 pneumatic carton closing stapler is used to apply sealing staples along the top of the packaging, clinching the two sides together to keep them from open, cardboard air stapler Rongpeng MTA18 carton and packaging staple guns securely close a box, corrugated container, carton, or any commercial packaging for shipping Features: Light Weight and Strong Aluminum Housing Ergonomic Handles, non-slip rubber grip Depth of Clinch and Penetration Adjustable Fasteners Length Adjustable Big Load Air Container makes the tools more powerful Spacious Magazine holds up to 100 nails Low Noise Model: MTA18 Dimension: 346x227x145mm Weight: 2.7kg Operating Pressure: 70-100 psi (5-7bar) Max. Pressure: 120 psi (8.3bar) Load Capacity100pcs Fastener specifications: Crown: 34.8mm (1-3/8”) Length:15 & 18 mm(5/8 & 3/4”) Shank Diameter:2.3 x 0.9 mm(.090 x .037”)