VEVOR Pneumatic Staple Gun, 21 Gauge Long-Nose Upholstery Stapler for 80 Series Fine Wire Staples 1/2-inch Crown 1/4"-5/8" Length, Max 150PCS Loading Air Staple Gun for Upholstering, Woodworking, DIY Lightweight Body Large Loading Capacity More Details Multi-Purpose Uses Durable Material Wide Applications Operating Pressure: 70 - 100 PSI,Staple Gun Type: 21-Gauge,Compatible Staple Length: 1/4 - 5/8 inch,Magazine Capacity: Max 150PCS,Item Model Number: MT8016LN,Compatible Crown Width: 1/2 inch,Air Inlet Size: 1/4" NPT,Compatible Staples: 80 Series Fine Wire Staples,Product Dimensions: 8.66 x 7.48 x 1.77 inch / 220 x 190 x 45 mm,Net Weight: 2.43 lbs / 1.1 kg,Main Material: Aluminum Alloy