Chainsaw Chain Depth Gauge File Guide Bar Groove For 1/4" 3/8" P 0.325" Chainsaw Top Angle Cutter Filing Guides Woodworking Kit
https://www.vogueparade.com/shopping/EN/12503/1/1005003727453283/chainsaw-chain-depth-gauge-file-guide-bar-groove-for-14-38-p-0325-chainsaw-top-angle-cutter-filing-guides-woodworking-kit//