This is an ECHO cylinder gasket designed for use with specific models such as EB252, EB262, PB-2520, and PB-2620 backpack leaf blowers. The gasket is made of plastic and is compatible with the mentioned ECHO and SHINDAIWA models. It is a 2-Stroke engine type gasket used as part of the engine assembly for gasoline-powered leaf blowers. The model number for the gasket is V100000860. Thanks for looking have a blessed day and God bless all. Shipping is $5 in the USA. Located in clear tote 1.