Use the matching wrench, the front cover to remove, remove the jacket, you can disassemble with the head accessories. Quick release air valve permits cylinder to return quickly for high speed assembly operations: Prevents overloading for long life. Air inlet port inside thread STD: 1/4 NPT Employ low-preasure casting Noise suppression Increase by working stroke Rotary type rivet bin. Suitable for aircraft machinery manufacturing, Iron plate, Automobile, Hardware, General repair and so on. Quick release air valve permits cylinder to return quickly for high speed assembly operations Performs well at any angle.The nose pieces size is 1/8", 5/32", 3/16", and 1/4". The small size and light weight allows use in hard-to-reach areas without user fatigue. 8MILELAKE is a registered brand in US. We dedicated to providing the highest quality auto repair tools and accessories on the market. This item is in the category "eBay Motors\Automotive Tools & Supplies\Air Tools\Other Automotive Air Tools". The seller is "btshub" and is located in this country: US. This item can be shipped to United States.