Features 1、The product is a silent oil‑free air compressor accessories pump head 1600W cylinder liner 2、The height of air compressor cylinder sleeve is 35 and 35.5mm, two models are available 3、Manufactured by cast iron technology, standard production method, cylinder sleeve has a long service life 4、Because very convenient to disassemble and install, as a common accessory of air compressor 5、Main purpose of cylinder sleeve repair is to eliminate errors and restore the matching clearance between the cylinder liner and the piston Specification Item Type: Air Compressor Cylinder Sleeve Outer Diameter: Approx. 75mm / 2.9in Inner Diameter: Approx. 70mm / 2.7in Material: Cast Iron Drive Mode: Pneumatic Purpose: Commonly Used Accessories in The Field of Air Compressors Package List 1 x Cylinder Sleeve