1. Compatible with Bench Grinders and Belt Sanders: This adjustable sharpening device is designed to be compatible with 6 or 8 inch bench grinders and many belt sanders. It features a rail base that can be easily mounted in front of the grinder, allowing for convenient setup and folding during grinding. 2. Sharpening Positions: The adjustable replacement tool rest sharpening device is equipped to locate all essential sharpening positions with your bench grinder. It offers flexibility in angle adjustment and accommodates spread wheels up to 2.5 cm wide, ensuring precise sharpening for blades, turning tools, and chisels. 3. Solid Construction for Sharpness: Made from solid aluminum, this sharpening device provides a smooth, lateral sliding action during sharpening. Its unique miter sliding tool holder design guides blades or tools like a stone, enhancing overall precision and ease of use. 4. Easy Adjustments and Enhanced Stability: The device can be effortlessly adjusted forward and backward to achieve the desired sharpening angle. It now includes an internal locking washer for improved stability during sharpening. The ratchet handles securely lock the adjustable rest in place and can be moved aside to prevent accidental interference.