Siemag industries manufactures series 500 ranges of blowguns. The 500-s air blowguns are the safest blowguns of its type with features of tamper-proof nozzle; maximum efficiency at lowest cost; 30-psi maximum outlet pressure; and compliance with osha standards; 500-ss air blowguns are available with salient features like safety shield tip for extra protection, low hazardous chip/dust fly back; 500-sb air blowguns are safety booster gun with features like special tip for greater air volume conforming with us federal regulations and side venturi holes for necessary action; 510-s air blowguns are safety extension gun with 3" extension in 3, 6, 8, 10, 12, 16, 18, 24, 30 and 36 inches lengths. These series 500 air blow guns are available with salient features like tamper proof; lightweight lever operated for safe comfortable handling; equipped with convenient "hang up" hook; made from high quality black powder coated die castings; safe operation in all applications in industries; venturi holes increase air volume and allows air to escape if the nozzle end is blocked thereby preventing back-pressure build-up; nozzle replaceable ΒΌ" npt [f] inlet; and unregulated blow guns for higher flow requirement. The company supplies these series of air blowguns with the feature of flexibility in regard to extension shapes and lengths. The extension series provided by the company are 5/16" outside diameter that allows easy accessibility to tight areas meeting the international safety standards. The company also provides angled extensions designed for specific applications upon special order by the customers to meet individual requirements.