FASTENER: 20 Gauge 1/2 inch crown satpler accepts 80 series type staples from 5/32 inch to 5/8 inch APPLICATIONS: Ideal for Upholstery, Furniture Assembly, Cabinets, Molding COMFORT: Durable streamline body, with rubber grip and weighs 1.85 lbs MAGAZINE: Magazine Capacity of 157 Staples and Air Pressure range of 60 to 100 psi TRIGGER: Bottom load magazine, Short stroke trigger, Rear exhaust port and No snag nose