ITEM NAME:Air Blower Air Compressor Blow Gun Cleaner Duster Dust Blower Tool 8" Nozzle Product Description Description: Specifications: Barrel material: aluminum alloy Gun handle material: aluminum alloy Blowing dust gun piston material: aluminum alloy Connect pipe caliber: 8mm Air intake size: 8inch Working pressure: 0.9Mpa Scope of application: Ventilation Tool length: 135mm /5.31in Included: 1 x Dust Blow Gun 1 x Dust Blow Gun Head.1 x Dust Blow Gun. 1 x Dust Blow Gun Head. Blowing dust gun piston material: aluminum alloy. Gun handle material: aluminum alloy. Tool length: 135mm /5.31in. If item is defective after 3 months, you can still send it back to us.