Applicable Equipment: This positioning clamp is specifically designed for precise cutting and milling tasks. It is compatible with 4 inch dust removal machines and marble machines, and also works with certain model of 56 inch dust cutting machines, offering versatility for various applications ABS Material: The electric circular saw milling positioning clamp is crafted from ABS plastic, making it lightweight and portable. This makes it suitable for a wide range of work scenarios, and it is a practical choice for both professionals and craft enthusiasts Adjustable Design: The clamp securely locks the cutting machine base within a range of 145mm to 207mm, ensuring a stable and dependable cutting experience. The distance can be adjusted according to different cutting needs to achieve better positioning, enhancing accuracy and efficiency Bidirectional Reverse Buckle: Featuring bidirectional reverse buckle ring design, this clamp will not move during use, providing additional stability. The bidirectional locking mechanism firmly secures the rail in place, ensuring a stable and consistent cutting experience Use scenarios: Securing a 4 inch dust removal machine to perform precise cuts on marble surfaces Milling tasks requiring adjustable base positioning for different workpiece sizes between 145mm and 207mm Using with certain model of 56 inch dust cutting machines for larger scale projects