Staples Compatibility: VEVOR 13 gauge pneumatic staple gun is compatible with carton closing staple featuring a 1-3/8" (34.8 mm) crown and 5/8" & 3/4" (16 mm & 19 mm) leg lengths. Operating Pressure: 70-120 PSI, Air Inlet: 1/4" NPT. (Staples not included; please purchase separately) Depth-Adjustable: This pneumatic cardboard staple gun features 5/8" and 3/4" staple depth settings to handle single, double, and triple-layer cardboard. Get firm, reliable carton closing for your packaging needs High Loading Capacity: Our air carton closing stapler features a large-capacity loading magazine that can hold up to 100pcs staples, ensuring efficient work without frequent reloading. Aluminum alloy body provides high strength and durability Easy to Use: Enjoy greater control with the sequential firing mode, which prevents accidental firing for safer operation. And the rear exhaust design, safety trigger switch, and included safety glasses further enhance work safety and efficiency Comfortable Grip: Equipped with an ergonomic non-slip grip and lightweight build, this air box closing stapler offers better control, soft and secure hold that reduces hand fatigue. It needs to be connected to an air compressor for use (air compressor not included)