VEVOR Pneumatic Staple Gun, 21 Gauge Pneumatic Upholstery Stapler for 80 Series 1/2-inch Crown 1/4"-5/8" Length Staples, 70-110 PSI Air Staple Gun for Woodworking, Upholstering, Crafts, DIY Projects Lightweight Body Large Loading Capacity More Details Multi-Purpose Uses Durable Material Wide Applications Operating Pressure: 70 - 110 PSI,Staple Gun Type: 21-Gauge,Compatible Staple Length: 1/4 - 5/8 inch,Magazine Capacity: Max 100PCS,Item Model Number: V8016,Compatible Crown Width: 1/2 inch,Air Inlet Size: 1/4" NPT,Compatible Staples: 80 Series Standard Staples,Product Dimensions: 9.45 x 1.89 x 6.50 inch / 240 x 48 x 165 mm,Net Weight: 2.2 lbs / 1 kg,Main Material: Aluminum Alloy