Accessory kit fills most common needs associated w/Air Tools. Coupler set has 1/4" NPT fittings. Blow gun is chrome plated. Non-corrosive, PVC dipped trigger. Includes 3 nozzles: Rubber tapered tip for leakproof seal between gun & all openings. High pressure nozzle for removal of paint chips & filings. Safety nozzle prevents blow back air from reaching operator.