1. REINFORCED HOLDING SYSTEM Features a unique design with three screws that prevent any movement of the chisel during sharpening, thus guaranteeing consistent results every time. 2. ADVANCED ADJUSTMENT OPTIONS Easily adjust the distance to achieve precise angles by using the included measuring tool and reference chart before starting your grinding tasks. 3. STABLE WIDENED ROLLER DESIGN The widened roller at the base enhances stability during sharpening, allowing users to smoothly roll their cutting edge without losing angle position accuracy. 4. COMPATIBLE WITH VARIOUS TOOLS Works with chisels or planes up to 55 inches wide users can easily adjust their setup for optimal results based on their needs. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin