Specifications: Stainless steel ruler: length 33 , width 2.7 + brass stopper. Easy to use: the brass positioning block can be put into any position you want, then just tighten the screws, easy to use. utilize. Applicable to all kinds of steel rulers With the steel ruler, all measurement work can be done within the measuring range of 0-30 with high accuracy. Double scale: The marking tool for the work of the wood is marked with 2 different scales, centimeters on the front and inches on the back, and can meet different measurement standards. Material: the desk ruler is made of stainless steel which is durable and inflexible, but a little flexible, good for a long-term use; The marks are a little embedded in the metal so that they will not fade over time. Perfect combination: positioning block, woodworking parallel ruler, ruler, marking gauge with a stainless steel ruler, brass stopper . Measurable time savings with convenient dimension transfer. of the highest precision.