- This triangular ruler is made of fine aluminum alloy material, high hardness, durable in use GIFT FOR - Essential tool for home builders, DIYers, carpenters, artists and hobbyists FUNCTION - The right angle ruler is suitable as an auxiliary tool in woodworking. It can be used to measure your drill bit height, table saw height, etc. LARGE MEASUREMENT RANGE - The right angle ruler can measure 90 degrees or 45 degrees. EASY TO READ - With clear and accurate scale, easy operation provides better working performance. Specifications: Measuring range: 90 or 45 degrees Material: aluminum alloy Package List: 1 x Right Angle Ruler On the one hand you can use the measuring scale to measure the height of the router in the router table or the height of the saw blade of a TK - if you don't have a device extra with a converted caliper. In addition, you can use the correct angle when building drawers, for example, and use the holes in the middle as a template for the curves Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.