Quality Construction Built with a durable, wearresistant hard probe and precision measuring rod made from stainless steel, heattreated for maximum strength. Resistant to wear, impact, and rust, ensuring longlasting performance even in demanding workshop environments. Exceptional Measurement Accuracy Dial indicator with a measuring range of 0 to 1 inch, in precise 0.001 inch increments for reliable readings. Finetuning adjustment knob allows for precise calibration when accuracy is critical. Designed for professional measurement and calibration across various workshop machines. Adjustable Measuring Length Features 6 selectable mounting holes for the dial indicator rod to match different setups. Chamfered groove rod equipped with spring plunger and dual leveling nuts for a fit in mitered grooves. Unique sliding head design lets you adjust measurement length between 130 mm and 220 mm, then lock firmly to eliminate sidetoside movement. Clear and EasytoRead Display Shockproof dial with large pointer scale for quick visual readings. Digital directread capability offers clear results with minimal effort. Versatile Applications Ideal for calibrating table saws to ensure blade alignment and accurate cuts. for setting up and maintaining band saws for precise tracking and consistent performance. Suitable for checking and adjusting various woodworking rigs for optimum output and safety. Optimized for professionals and hobbyists seeking accuracy, durability, and ease of use in machine calibration tasks.