Precise Alignment: Ensure perfect chain and sprocket alignment with our Laser Chain & Sprocket Alignment Tool, suitable for various chain-driven vehicles., Universal Compatibility: Designed for versatility, this tool works with chain sizes 530 and smaller, including 35, 40, 219, 520, and 530 chains., User-Friendly Design: The clamp-on design and rear-edge laser placement allow easy mounting on different sprocket sizes without the need for specific adjustments., Durable Construction: Constructed from CNC machined aluminum, this tool's mount securely holds the laser, and it's built to withstand the rigors of racing environments., Ready to Use: The tool comes complete with a bright red laser, LR41 batteries, and clear instructions for hassle-free setup, ensuring quick and accurate sprocket al.