Double-head punching design - complete double-line marking in one operation, improve marking efficiency. Depth measurement function - integrated centimeter scale High precision adjustment - fine adjustment screw Industrial durability - anodized aluminum fuselage, wear- and -. Function: 1. Two-line parallel positioning: Fine adjustment of spacing: rotate the screw to accurately control the distance between the two needles. Punching mark: the needle marks a clear guide line. 2. Depth measurement: Scale: directly read mortise depth. 3. Multi-scene adaptation: Traditional tenon and mortise marking Wood splicing alignment mark Auxiliary marking for metal/plastic processing Color:As Shown Material:Aluminum Alloy + Stainless Steel Package Contents: 1 * Punch-type Woodworking Double-headed Scribing Tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.