1. DURABLE STRUCTURE IMPROVES SHARPENING EFFECT This sharpening device is crafted from solid aluminum, enabling smooth sliding and left right movements during sharpening. Its unique slanted sliding tool holder design ensures higher precision and ease of use, guiding blades or tools effortlessly like a stone. 2. Compatible with Bench Grinders and Sanders Designed for versatility, this adjustable sharpening device fits 6 inch or 8 inch bench grinders and many sanders. Featuring a rail base, it can be easily installed in front of the grinder for grinding and folding. 3. Adjustable and Stable Performance The device allows effortless back and forth adjustments to achieve the desired grinding angle. Enhanced stability is ensured with internal locking washers, while the adjustable bracket securely locks or releases via a ratchet handle to prevent accidental interference. 4. Fully Adjustable Sharpening System This tool offers multi directional adjustments: forward/backward, up/down, and even rotation to a right angle for precise sharpening control.