Features: 1. Unique Design: This small and lightweight tape measure clamp is easy to carry. We use laser cutting and brush treatment for daily corrosion resistance. 2. Easy to Carry: This sturdy tape measure clamp is designed for lightweight portability. Its pocket size makes it perfect for tradespeople using a variety of tools. 3. Easy Installation: Remove the screw in the center of the tape measure and adjust the alignment of the tape measure mark. Tighten the screw and secure it. Install the pen, and installation is complete. 4. Multiple Uses: Use it to draw arcs, measure marks, draw circles, and draw straight lines. This tape measure marking tool is a great solution. 5. After-Sales Service: Contact us immediately if you have any problems; we'll help you resolve them as quickly as possible. Specifications: Material: Metal Product Size: 8*3.1 cm Note: 1. Actual color may slightly differ from the image due to lighting effects. 2. Please allow 1-3cm deviation due to manual measurement. Includes: 1 * Tape Measure Marking Tool