To use a bench-mounted sharpener, remove the saw chain from the tool and set it into the sharpener’s vise. ... Stihl Saw Chain Depth Gauge Tool. $20 at Amazon. Stihl 2-in-1 Filing Guide.

Technically a type of bench grinder designed to hold a chain, the bench-mounted sharpener uses a 4-inch grinding wheel to hone an edge, which tilts up to 35 degrees left and right to accommodate ...