Package Contents -- Includes 5 nozzles: non-marring soft rubber tip, Short metal tip, 2inch air flow extension tube, 3inch air flow extension tube, 4inch air flow extension tube. For use with standard air compressors with 1/4" NPT. Detachable Design -- the dust blowing gun is detachable, and the rubber and safe tip can be removed according to actual needs, easy for you to clean and store, bring you more convenience. Application -- Blow stubborn debris, dust, water, and more off of all kinds of materials and machinery with this powerful air blow gun airline blower. Easy to handle air blower blasts air inside hard-to-reach cracks and crevices, dirt and debris from equipment, tools, truck beds and other surfaces. Durable -- Made of heavy-gauge steel for long service-life with chrome plating that prevents rust and corrosion. Small size and lightweight, it is convenient to carry and easy to use. Fits in the palm of your hand with over-sized thumb-controlled PVC coated trigger for precise air control. Safe -- Mar-resistant rubber tip and safety tip to avoid knicks or scratches on paint or other fine surfaces. New design tapered air flow nozzle and inner supercharging construction for high volume powerful blow off, The airflow speed and amount can be changed by adjusting the outlet nozzle.