Product Name: 3 Inch Flage Fixed Key Type Air Shaft Model NO.: 3 inch Flage Fixed key type air shaft Material: Aluminium and Steel Coatings: Oxidize or Chromeplate Production Time: 10-15 Days After Received The Payment Trademark: weizheng Transport Package: Paper Tube or Crate. Specification: 100mm-2500mm Origin: Dongguan, Guangdong, China (Mainland) HS Code: 8449009000 Product Description SpecificationsAir shaft:1. High quality with low price2. Excellent performance3. High precision shaft4. Quick deliver5. OEMIntroduction:The air shaft introducing foreign advanced production equipment and fabrication technology, using imported balloon, the shaft is casting by aluminum alloy, shaft body plating chromium, accurate assembly, convenient to use and long operating life. When using, match with our company's professional configuration of the aerate gun filling gas for the nozzle jet, to make the shaft of off-axle appearance uniform expansion, thereby lock nitrogen-treated barrel, when unloading, press on deflated mouth to deflated, then nitrogen-treated barrel can be unloaded.Performance and advantages: Air shaft in practical applications, it has advantages of convenient operation, quick, without damage rolls etc.Note:The L for the user-defined size.Product usage: It is widely used in printing, cutting, coating, compounding and other machineries' releasing and winding scroll.