Check the listing for details. WORKPRO Pneumatic 20 Gauge Staple Gun T50 Upholstery Stapler With/1260PC Staples. Color: Red, Condition: New. Listed at 43.99 USD. Product Description Professional Stapler: The Pneumatic Stapler is air-powered, which needs to be connected with an air compressor ( Air compressor is NOT INCLUDED). It work with pressure range 60 to 120 PSI, max pressure: 120PSI (8.3bar). The recommended airline for a toll with a min I.D. of 1/5” (5mm) and max length of no more than 17" (5m). 20 GA Pneumatic Stapler: The stapler is compatible with 20 gauge staple, 1/4” (6mm) - 5/8” (16mm), including 420pcs 1/4” , 420pcs 3/8” , and 420pcs 5/8” Staples. With an ergonomic soft-grip handle, you will feel more comfortable when using this stapler. Safety Design: The staple gun is equipped with upgrade magazine release latch which is safer and more convenient than before. It can only shoot staplers when it is fully depressed against the work surface which is designed for avoiding accidental nail firing. Unique Rear Exhaust: The staple gun features a rear exhaust to avoid the air rushing out to your body. It will bring you a more comfortable woodworking experience with its ergonomically designed comfort grip handle. Note: Add oil regularly is needed for all air tools (lubricant included). Wide Applications: The staple gun is ideal for softwood DIY projects such as Carpentry DIY, picture framing, cable fixed, material repair, carpentry, and pet house DIY, which can satisfy all your necessities. Manufacturer‎HANGZHOU GREATSTAR INDUSTRIAL CO.,LTDBrand‎WORKPROItem Weight‎3.1 poundsProduct Dimensions‎12 x 8.3 x 2.4 inchesColor‎Red/BlackNumber of Fasteners‎1260Size‎20G PT50Manufacturer Part Number‎W181003AStaple reload window - The transparent window make it easy to see when you are running low on fasteners.Air Inlet - Connecting air compressor with the 1/4”NPT air inlet. Pressure: 60 ~ 100 PSIRear exhaust - The air will rush out from the rear exhaust. Upgrade design makes you more comfortable.