[Premium Material]:The stair measuring tool jig is made of quality aluminum alloy,which is sturdy,wear resistant,not easy to break,and can be used for a long time [Accurate Stair Measurement Tool]:It allows step installers to easily operate and adjust to the correct length and angle,easily and accurately obtain the required size of the step [Practical Tool]:Stair tread gauge tool versatility makes it a must have tool for anyone working on renovation or construction projects [Wide Application]:The stair tread jig tool can be used to measure a variety of surfaces,including stairs,arches,curves,etc [Design]:stair tread gauge tool measuring range is 8 inches to 56 inches,easy to use,is suitable for professional workers and DIY enthusiasts