Feature: 1. Accurate Positioning: When you use the ruler stop, you can turn any steel ruler into a accuracy marking tool. 2. Aluminum Alloy Material: The ruler locator is made of aluminum alloy material, which is not easy to deform, break, and durable. 3. Adjustable Thickness: The thickness of the stopper can be adjusted, just tighten or loosen the screws on both sides. 4. Improve Work Efficiency: With the ruler locator, the user can draw the required lines more accurately and improve the work efficiency of the user. 5. Wide Application: This ruler locator is mainly used for surface, T and L joints, suitable for quick connection or DIY in furniture, woodworking, etc. Specification: Item Type: Ruler Limit Block Material: Aluminum alloy Suitable Thickness: Approx. 0-3.5mm / 0-0.1in, Width 0-30mm / 0-1.2in steel ruler. Package List: 2 x Ruler Limit Block Note: Pay attention to correct operation