Astro Pneumatic Tool PR14 Air Riveter - 3/32", 1/8", 5/32", 3/16" and 1/4" Capacity Includes the following nosepieces: 1/4-inch(6.4mm), 3/16-inch(4.8mm), 5/32-inch(4mm), 1/8-inch(3.2mm), 3/32-inch(2.4mm), 3 Nose pieces are screwed onto the base Powerful durable, high speed production tool Quick release air valve permits cylinder to return quickly for high speed assembly operations: Prevents overloading for long life Performs well at any angle Pulling Pressure - 2423 pounds