Eccentric Crankshaft Wheel 1100W Cast Iron Air Compressor For Pneumatic Equipment Pump Feature:1. Made with good quality forging technology, durable for long service life2. Easy to install, simple to use, provides accurate flow control. Needle valve for better control3. Air compressor accessories, suitable for different types of air compressor and other equipment4. Cast iron material has high mechanical strength and toughness, heat resistance, corrosion resistance, wear resistance, high vibration absorption, etc.5. The eccentric shaft has 15 holes, stable structure and excellent performanceSpecification:Item type: crankshaft probably also crankMaterial: cast ironPurpose: air compressor accessoriesBasic parameters:Eccentric shaft: 15 holesOuter diameter large plate: approx. 90mm/3.5inOuter diameter small plate: approx. 40mm/1.6inEccentric: approx. 11mm/0.4inList packing:1 x Crankshaft