The Metabo HPT - Hitachi 324369 Miter Saw Extension Holder & Stopperprovides stable material support for accurate and consistent cutting. This replacement extension holder and stopper is designed to support longer workpieces and position them correctly during repeated cutting tasks. It works by extending the saw's support surface while the stopper helps maintain a fixed cutting length... https://www.wholetoolbox.com/metabo-hpt-hitachi-324369-miter-saw-extension-holder-stopper/324369.html