Adjustable Length Design: Equipped with rotating nut for length adjustments to accommodate various sawer and grooves spacing requirements, while side screws secure the center scale rod for precisely cut positioning Universally Compatibility: Designed to work with most standard table sawer and panel sawer, this calibration tool measures 188x112x40mm for optimal functionality across woodworking projects requiring exact cutting alignments High Precisions Calibration: Incorporates an anti vibrations design with smooth probes that deliver sensitive calibration results, maintaining accuracy even during continuous cutting operations on table sawer and panel sawer Smooth Measurement Operations: Features a highly sensitive measuring systems that glides along the guide rails, providing accurate readings for perfect sawer alignment every time with minimal friction resistance Aluminum Construction: Made from aluminum alloy for strength and, ensuring precisely measurements and stable during table sawer calibration without bending or warping over time, Manufacturer: Jazuaiao