1. Multi angle marking:Support multi angle marking at 15 , 30 , 45 , 60 , and 90 to meet the marking needs of different angles.By rotating the knob, the angle and position of the ruler can be easily adjusted to precise positioning. 2. Rotatable knob:The rotary knob design facilitates adjusting the angle and position of the ruler, and is fixed at the desired angle and position. 3. Clear and precise horizontal bubble:Built in high- horizontal bubble, accurate measurement results, convenient leveling.Horizontal are highly transparent and easy to observe. 4. Fixed point marking:Equipped with a fixed-point marking function, it facilitates precise marking on wooden boards. 5. Limit mark:Equipped with a limit marking function to that the ruler does not slide during marking, maintaining the accuracy of the marking. This multifunctional folding depth measuring ruler is an ideal tool for carpenters, DIY enthusiasts, and professionals. It combines multiple functions such as depth measurement, angle marking, and horizontal calibration to help you easily complete various measurement and marking tasks. Compact and easy to carry: and compact, easy to carry, and can be used anytime, anywhere. Color: Orange Material: Plastic+Metal Package Contents: 1 x Multi-role Foldable Depth Measuring Ruler Only 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.