Product Description The Astro Pneumatic Pr14 Air Riveter Is Designed For Heavy Duty Industrial Application Of Rivets From 3/32 To 1/4-Inch. This Tool Will Increase Productivity In Any Field. Range Of Use Includes Industrial, Fabrication Shops And Body Shops. Specifications: Rivet Capacity: 1/4-Inch, Overall Length: 10-7/8-Inch (280Mm), Net Weight: 3-1/2-Pound (1.6Kg), Pulling Force Is 633 Pounds, Stroke: 15Mm, Motor: 1/2Hp, Air Inlet Thread Npt: 1/4-Inch, Air Hose I.D. Size: 3/8-Inch (10Mm), Avg. Air Consumption.: 2.320 Liter/Stroke, Air Pressure: 90-120Psi. The Instructions Show You Where To Find All 5 Nose Parts. Three Are Under The Unit, One Is In The Unit And The Other Is In The Bag From the Manufacturer The Astro Pneumatic PR14 Air Riveter is designed for heavy duty industrial application of rivets from 3/32 to 1/4-inch. This tool will increase productivity in any field. Range of use includes industrial, fabrication shops and body shops. Specifications: Rivet Capacity: 1/4-inch, Overall Length: 10-7/8-inch (280mm), Net Weight: 3-1/2-pound (1.6kg), Pulling Force is 633 pounds, Stroke: 15mm, Motor: 1/2hp, Air Inlet Thread NPT: 1/4-inch, Air Hose I.D. Size: 3/8-inch (10mm), Avg. Air Consumption.: 2.320 Liter/Stroke, Air Pressure: 90-120psi. The instructions show you where to find all 5 nose parts. Three are under the unit, one is in the unit and the other is in the bag. Parts break down in the form of a pdf manual: