Multi-functional woodworking tools: this Multi-angle ruler can be used for multiple purposes, can be used as a right angle gauge, angle gauge, dovetail gauge, sliding scale and so on, perfect for woodworking. Ruler rotated freely: The woodworking scriber t-square ruler supports sliding, unscrew the cam lock, you can easily slide the ruler body to the desired position.The handle cam design makes the extended quick-lock handle more labor-saving and fast-locking, which is convenient and fast. Dovetail Gauges: With 8:1 and 6:1dovetail gauges, which can quickly assist in scribing, convenient for making various of dovetails, it can be used for board splicing, crack repairs and right angle joints. Sturdy & Durable:Stainless steel ruler is sturdy and durable, double-sided with lasers scale, not easy to rust, clear scale, make reading easier. And Ruler end with positioning slot design, help to draw a straight line quickly. Multi-functional in one: Applicable to more scenarios,Expand multi-functional, unlimited creation, easy to use and easy to operate.