Specification: Model: CN55 Nail Length: 25--57mm Air Tool Type:Air Nailer Power Type:Air Nail Capacity: 300--350pcs Nail Diameter: 2.1--2.3mm Air Pressure: 75-100psi(5-7.5kg/cm2) Weight: 2.5kg Application: wooden packaging, wooden pallets, wooden furniture, wooden houses, fences, plywood etc.