Features [Brass Material] This ruler limit block is made of brass material, which is very strong and durable, suitable for long-term use. And the block has long service duration. [No rust] This writing ruler positioning limit block is not easily oxidized, so you don't have to worry about whether the block will rust and affect the progress of your work. [Applicable Scenarios] This writing rule positioning limit block is suitable for all kinds of steel rules and rules, with high efficiency rules and construction that are not easy to fall down, making it a precision marking tool. [Wear resistance] This ruler limit block is very wear-resistant, so you can perform frequent marking work during use without worrying about the high frequency of friction that can damage the block. [Easy to Carry] The writing ruler positioning limit block is small, lightweight and easy to carry, making it an excellent tool for daily use and easy to store. Specification: Item Type: Type Rule Positioning Limit Block Material: Brass Application: Suitable for steel ruler, straight edge, converted to precision marking tools Package List: 2 x Type Rule Positioning Limit Block Small note: Pay attention to the specification of the correct operation Package List 2 x Scribe Ruler Positioning Limit Block