1. , compact and easy to carry, suitable for angle rulers2, wide application range, stable and firm clamping3. Tool table hole tenon stopper, common for woodworking tables4. Triangle ruler angle marking, can be used to select the desired angle for clamping and fixing, and use a pen to draw a line5. Use a right angle ruler as a staircase gauge, fix it with two clamps, and draw lines with a pen6. Use a ruler to draw lines at a fixed distance, and choose the desired length to clamp and fix them. Use a pen to draw lines7. Fix tools such as clamping table saws as a support for mountain use8. The double is interchangeable, and when the bottom distance is too short, it can be clamped and fixed upside down9. Check the verticality of the wooden block by using two clamps for fixation, which can be used to stand and check the verticalityPlease note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you!Model:Auxiliary clamp of tenon squareColour:A: Red 20mmMaterial:Aluminum alloyPackage Contents:1 x Auxiliary clamp of tenon squareOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.