Feature: 1. Wide Compatibility: Specifically designed to fit 4 inch dust cutting saws and some models of 5-6 inch dust cutting saws, this circular saw positioning clamp offers versatility and adaptability. It securely locks onto bases ranging from 145mm to 208mm, ensuring a stable setup for various cutting tools. 2. Rugged ABS Construction: Made from excellent ABS plastic, this cutting machine edges guide positioner is both sturdy and abrasion proof. Its robust construction guarantees long lasting performance even in harsh working conditions, providing you with a good tool for your cutting needs. 3. Adjustable Knob: Featuring an adjustable knob, the electric circular saw milling positioning clamp can firmly accommodate 4-6 blades, ensuring a snug fit that prevents accidents or slippage during use. This secure hold enhances accuracy and safety during operating. 4. Enhanced Safety Features: With improved safety measures, this adjustable cutting machine base guide reduces the risk of injury, providing peace of mind and a secure cutting experience. It's designed to maximize safety standards, allowing you to focusing on the task at hand. 5. Compact And Lightweight Design: The clamp circular saw guide 's compact and lightweight design makes it easy to carry and store, allowing you to optimize your work space without sacrificing functionality. Its space saving design ensures that you can easily move it around as needed, making it suitable for both job sites and home workshops. Specification: Item Type: Circular Saw Base Guide Material: ABS Size: Approx. 295 x 40 x 28mm / 11.61 x 1.57 x 1.10in. Package List: 1 x Circular Saw Base Guide