Description: Made of high quality material, fixed clamp body is made of metal, so it is not easy to deform when clamping workpiece. Adopted the process of high temperature quenching, with high hardness. It is recommended to use this pocket Hole Joints fixed clamp with positioning drill. Deepen the thread, when tightening, there is no block stuck phenomenon. Used for fixed workpieces, when drilling, not easy to run off tracking, improving the efficiency of assembly greatly. Specification: Material: Plastic, Metal Color: Black Clamp Range: 25mm- 110mm Size: Approx. 24.5x 4.8cm/ 9.65x 1.89inch How to Use: 1. Hole positioning 2. Drill two parallel oblique holes 3. Put the white plastic pipe of the clamp into one of the holes, turn the thread handle to lock the two workpieces to be assembled (Slant hole drill about 9mm in diameter). 4. Tighten the screws and complete the assembly. Package Includes: 2 Pieces Slant Hole Fixing Clamp Note: The color may have different as the difference display, pls understand. Please allow 1-3mm error due to hand test.