4. material: Made of high-quality wear- materials, it is and can maintain good performance even after long-term use. 3. Strong compatibility: This tool can usually adapt to most models of edge trimming machines on the market, making the operation more flexible and convenient. 2. Transparent base design: The base is made of transparent material, allowing users to clearly see the during operation, thereby more accurately positioning and reducing errors. 1. High scale: equipped with a fine scale to consistent and accurate cutting size each time, making it easy to adjust and control the depth and width of the groove 5. Easy to adjust: Designed with multifunctional adjustment knobs, the position of the ruler can be easily adjusted to meet the installation needs of different sizes and types of hinges., Weight: 0.6834330122 pounds, Manufacturer: Aisuoka