Features: 2 in 1 design that allows you to set -up the table saw- and set the Router- depth, using the same tool. Lets- you make repeatable, strong, precise dovetail joints correctly with ease. By controlling the positioning of the teeth and the milling cutter, it is easy to accurately control the size of the bumps. Aluminum-alloy material, after CNC- machining, the caliper can provide fine scale, with laser- engraved- marking for ultimate- clarity-. Front metric scale: 5-6-8-10-12mm, Imperial scale on the back: 3/16-1/4-5/16-3/8-1/2 inch; Height Gauge: 5-6-7-8-9-10-11-12-13-14-16 (metric scale), 1/8- 3/16-1/4- 5/16- 3/8 - 7/16-1/2-9/16- 5/8 (Imperial scale). Features prefabricated male and female guide rails, conform to standard sizes used in furniture manufacturing. Ideal- for setting up blade- height on table saws- and Router- bits- depth. Specifications: Material: aluminum-alloy Color: gold/red Package Includes: 1xDovetail Jig Tenon Caliper note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.