[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 [Premium Material]: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 [Practical Tool]:Stair tread gauge tool versatility makes it a must have tool for anyone working on renovation or construction projects [Wide Application]:Stair tread jig tool can be used to measure a variety of surfaces,including stairs,arches,curves,etc [Product Size]:Stair tread measuring tool 35 cmx13 cmx4.3 cm/13.78 inch x 5.12 inch x 1.69 inch