This gauge greatly reduces time and frustration when setting router or saw blade depths. It also is great for measuring slot depth. The E-Z view, super large LCD display makes measurements easy to see in low light conditions. Measurements read in inch, inch fractional or metric (0.0005", 1/64", 0.1mm):

3-way measuring: horizontal, vertical, 90 angle.

Heavy duty polycarbonate frame for self standing.

Hardened steel measure anvils: Both flat & point (included).

Router depth: 0-3.1" (the beam goes up from surface).

Slot depth: 0-2.9" (the beam goes down from surface).

Accuracy: 0.001" per 1".

3V Lithium battery (CR2032) included.