The product is a new OEM ECHO PAS Coupler designed for use with specific ECHO model trimmers such as the PAS225 and PAS2620. This 2-stroke engine coupler is powered by gasoline and comes in a pack of 1. It is compatible with multi-task string trimmers, providing a reliable and efficient solution for maintaining your yard and garden. Made by the trusted brand ECHO, this PAS Coupler ensures quality and performance for your outdoor power equipment needs.