Sturdy Material: These tall stair gauges are made of CNC machined anodized aluminum alloy, making them rustproof and sturdy, ensuring long term use. Easy to Use: Align them with the specific scale marks on the framing square. When the tongue is fully inserted, the scale marks can be seen through the grooves, increasing the visible area. Advanced Design: The hexagonal flat design is more suitable for edges than a round shape, and the taller body ensures that the ruler is completely vertical to the material, providing extreme stability and precision when clamping workpieces. Additional Accessories: This stair gauge comes with a anti lost bracket and a portable hook for easy carrying and storage. It also doubles as a bottle opener. It can be hung on a work bag, tool storage board, and shelving. Applications: This stair gauge is perfect for stair beam layouts, rafter layouts, framing square accessories, framing square stair rails, circular saw layout lines, and marking repeated angles for woodworking blocks. Use the to guide the saw for angled cuts., Manufacturer: Jelquix