Specifications Name:Multi-role Foldable Depth Measuring Ruler Material:ABS Size:167 * 37 * 14mm/6.57 × 1.46 × 0.55 inch Description 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 ensure precise positioning. Rotatable knob: The rotary knob design facilitates adjusting the angle and position of the ruler, and is fixed at the desired angle and position. Clear and precise horizontal bubble: Built in high-precision horizontal bubble, accurate measurement results, convenient leveling. Horizontal bubbles are highly and easy to observe. Fixed point marking: Equipped with a fixed-point marking function, it facilitates precise marking on wooden boards. Limit mark: Equipped with a limit marking function to ensure that the ruler does not slide during marking, maintaining the accuracy of the marking. Package 1PC Multi-role Foldable Depth Measuring Ruler 【Multi-Angle Precision Marking】 This foldable depth measuring ruler supports precise marking at 15, 30, 45, 60, and 90 angles, perfect for carpentry, DIY projects, and professional workshops. Easily adjust angles with the rotatable knob for perfect positioning every time. 【Smooth Adjustment & Secure Locking】 The innovative rotating knob allows quick angle and position adjustments, then locks firmly in place to prevent slippage during use. No more wobbly measurements—just accurate, repeatable results for all your marking needs. 【Built-in High-Visibility Level】 Features a crystal-clear horizontal bubble with -precise calibration for instant leveling checks. The highly design ensures easy reading, whether you're hanging shelves or aligning workpieces. 【Smart Fixed-Point Marking】 Designed with a special-purpose marking function to create pinpoint-accurate reference points on wood, drywall, and other materials. The anti-slip limit marks keep the ruler stable during operation for error-free measurements. 【 & Portable Design】 Crafted from tough ABS plastic, this 6.57-inch compact ruler folds for easy storage in toolboxes or pockets. Ideal for contractors, woodworkers, and hobbyists who demand reliability on the.