Features 1、Mute oil‑free air compressors accessories cylinder liner, suitable for pump head 1500W cylinder. 2、Size, cast iron cylinder liner has an inner diameter of 70mm / 2.8in, an outer diameter of 75mm / 3.0in , and a height of 47.5mm / 1.9in . 3、Made of cast iron, the cylinder liner is durable, easy to disassemble and install, commonly used accessories for air compressors. 4、Excellent performance, this cylinder sleeve has sufficient strength and rigidity, good wear resistance and sealing performance. 5、If you encounter any problems during use or do not understand how to install, please contact us in time, we will try our best to solve the problem for you. Specification Item Type: Piston Rings Compressors Material: Wrought Iron Model: Oil-free Cylinder 1500W Cylinder Liner Outer Diameter: Approx.75mm / 3.0in Inner Diameter: Approx.70mm / 2.8in Height: Approx.47.5mm / 1.9in Drive Mode: Pneumatic Purpose: 1500W Cylinder Liner of Air Compressors Oil-free Cylinder Package List 1 x Piston Rings Compressors