[ Rule with Stop]There's a fine notch in of the ruler. Set your stop, place a pencil in the notch, and you've got an instant marking gauge. The beefy stop is secured with two thumb screws keeping it locked to the ruler. Simply it off the ruler and through the slot in the rule blade can help stop and fix at any position, effectively prevent slippage.This helps with making repetitive measurements on multiple boards.[ Woodworking Ruler]With Inch and Metric Indicators, this steel ruler can be converted into the required woodworking measurement unit immediately since there are measuring scales on both sides. All four edges feature an scale incremented 1/16th or 1mm depending on style. The surface is anodized, laser-marking, the scale is clear and , it is easy to read.[Vertical Measurement T Track Ruler]When you need vertical measurement the stop off and insert it into the cut-out blade and then your rule has a perfect stand to keep it upright. The side is marked with 1/4, 1/2, and 3/4 depth measurement units, which can meet a variety of measurement needs.scribing ruler for woodworking, DIY, handicrafts, etc. It is an perfect measuring tool for .The color of the screw is random, you cannot to specifysize:20cm Material:Metalcolour:BlackPackage Contents:1 x Woodworking RulerOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.