Item Type: Cylinder Piston Kit Material: Iron, Aluminum Alloy Weight: Approx. 422g / 14.9oz OEM : For STIHL 1137 020 1203 Applicable Model: For STIHL MS192 Cylinder Bottom Hole Diameter: Approx. 37mm / 1.46in 1Special designed for Stihl MS192 chainsaw, stable performance, can effectively extend the service life of the machine. 2Adopts premium iron and aluminum alloy material, good durability, wear resistance and corrosion resistance, long term use. 3Professional manufacturing, exquisite craftsmanship and high accuracy help to provide the best performance. 4It meets strict quality control standards, professionally manufactured, and highly matches the original equipment. 5Garden chainsaw accessory, good compatibility, easy to install, an excellent substitute for old or damaged parts.1. Please allow 0?1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 1 x Cylinder 1 x Piston Assembly (6pcs)