[Easy to Carry]-- The fixed measuring tape holder is light and compact design, easy to carry. The carry-on pocket size is perfect for craftsmen with a wide variety of tools. [Wide Application]-- The tape measure marker tool can be used not only in woodworking but also in construction work, such as wall positioning design, etc. [Simple Installation]-- Remove the screw in the middle of the tape measure. Adjust the alignment of the tape measure marks. Tighten the screws and secure. Install the pencil and fix it, the installation is complete. [High-Grade Material]-- The tape measure precision tool is made of high-grade aluminum alloy material, the surfaces are oxidized and durable and not easy to rust. [Unique design]-- fits most regular tape measure,The three installation slots in the middle can be adjusted and installed according to the size of the tape measure.