Siemag manufactures air blow gun series 500 which are tamper proof, light weight and lever operated for safe comfortable handling equipped with a convenient `hang-up` hook. This air blow guns are made from high quality black powder coated die castings. Venturi holes in the guns increase air volume and allow air escape and with the nozzle end being blocked, back-pressure build-up is prevented. Unregulated blow guns are available for higher flow requirements. Siemag safety blow guns are fully flexible with regard to extension, shapes and lengths.These are made with angled extensions designed alongwith ΒΌ npt[f] connections for specific applications are available upon special order.