[feature] Functionality: This dovetail jig template allows you to easily and correctly make repeatable, strong, precise dovetail joints. Practical: With metric/imperial scales, accurate readings, which can meet different needs. 2-in-1 Height Gauge Depth gauge design allows you to precisely set the height and depth of your saw. DURABLE MATERIAL: Mortise and tenon calipers are made of high-quality aluminum with engraved markings to provide fine scale, ultimate clarity and long-lasting durability. Easy to use: By controlling the positioning of the teeth and milling cutter, the size of the bump can be easily and precisely controlled. [product information] Product name: Tenoning caliper color: red Material: aluminum alloy Dimensions: Refer to pictures Packing list (obtainable after purchasing a product): Tenoning caliper*1 beg to be excused: 1. Due to the long shipping time, the item may be damaged during the transportation, if the item is damaged, please leave us a message through the official website immediately before leaving a comment, and I will solve the problem for you. 2. Due to manual measurement, the size may have an error of 1-3cm. 3. Color may vary by monitor.