FUNCTION : The air blow gun fits most compressor's Air blow gun/ air nozzle blow gun -be a non standard thread for inlet The max operating pressure: 8 psi PACKUNG : Basic air duster, 2 different couplings included APPLICATION - Compressor air gun is ideal for metal sweepings dust cleaning at factory, computer mending and anywhere with dust appear. For use on machines, in workshops, in wood processing, furnishing companies and in the household 1/4" Bsp British & American air blow gun/ air nozzle blow gun/airline blower /air hose gun Non standard ! High-speed and narrow airflow sprayed by slotted nozzles can be injected into the the occasion difficult cleaned up such as deep, blind or narrow holes. The airflow speed and amount can be changed by adjusting the outlet nozzle of the air blow gun