Includes the following nosepieces: 3/16″ (4.8mm), 5/32″ (4mm), 1/8″ (3.2mm), 3/32″ (2.4mm)Performs well at any angleGets into hard-to-reach areasProvides quick, quiet and comfortable operation preventing user fatigue SPECIFICATIONS:Rivet Capacity: 3/16″ Overall Length: 10-7/8″ (280mm) Net Weight: 3-1/2lbs. (1.6kg) Stroke: 15mm Motor: 1/2hp Air Inlet Thread NPT: 1/4″ Air Hose I.D. Size: 3/8″ (10mm) Avg. Air Consumption: 2.320 Liter/Stroke Air Pressure: 90-120psi