550W Air Compressor Rods Connecting Rod Inner Diameter 55mm For Ball Valve Feature:1. 550W Air Compressor Connection Accessories For Curtain Rods, W Inner Ring Diameter Is 55mm2. The connecting rod of an air compressor is often connected to the leather cup pad and pressure plate by screws, which is a common air compressor accessory3. Die-casting aluminum with standard production, ensure good quality and long service life4. The driving method is pneumatic, used for air compressor ball valve accessories, very practical5. The connecting rod has a stable structure, excellent performance and long service lifeSpecification:Item Type: Connecting RodModel: 550W Material: Die-casting Aluminum Inner Ring Size: Approx. 55mm/2.2in Drive Mode: PneumaticPurpose: Air Compressor Ball Valve AccessoriesPackage List:1 x Connecting Rod