This Capri Tools mini digital height gauge is capable of precise height and depth measurements. The large display reads in decimal inches, fractional inches, or millimeters. The self-standing gauge has magnetic feet to enable setting cutter depth on router tables and has a low profile for back fence adjustments. For total accuracy, switch between ABS (preset) and INC (zeroset) measurement modes.Table saws, router tables, and hand routers work great with this gauge