It is very important that when purchasing spare parts for your Flymo, that you purchase genuine Flymo parts. It is essential that you fit genuine Flymo parts for your own safety and warranty protection. Flymo genuine parts are manufactured to strict guidelines and the highest standards, according to the manufacturer. The trimmer head cap fits the following machines : Flymo Mini Trim Auto Plus Flymo Mini Trim Auto ST Flymo Mini Trim XT Flymo Mini Trim Plus XT Flymo Contour XT Flymo Contour 500/700 Flymo Contour 500 XT Flymo Contour Power Plus Cordless Flymo Power Trim 500 Flymo Power Trim 700 Flymo Power Trim 500 XT Flymo Contour 600HD Flymo Power Trim 600HD Flymo Cordless Multi Trim CT250 Flymo Cordless Multi Trim CT250X Flymo Sabre Trim Flymo Speedi-Trim