1. Compatible with bench sanders and belt sanders: This adjustable sanding device is designed to be compatible with 6 inch or 8 inch table sanders as well as many belt sanders. Its rail base can be easily mounted directly on the bench in front of the grinder, allowing for convenient setting up and folding during grinding. 2. SHARPENING POSITIONSWith the flexibility to adjust the angle and spreading wheels up to 1 inch wide, this replacement tool tray sharpening device helps to accurately locate different sharpening positions. It ensures precise sharpening for a range of tools, including blades, rotary tools, and chisels. 3. Solid construction for improved sharpening effect: Made of solid aluminum, this sharpening device provides a gliding, lateral action when sharpening. Its unique miter slide tool holder design provides extra precision and ease of use, guiding blades or tools like a stone. 4. Adjustments and stability: The device can be conveniently adjusted forward and backward to achieve the desired sharpening angle. With an internal locking washer for greater stability, the adjustable tray can be securely locked with the ratchet handles, which can also be moved out of the way to prevent accidental interference.