Features Accuracy Grinding: With the angle scale board, adjust the planer cutter grinding angle for accurate sharpening without the angle scale board to achieve even more accuracy. 3 Level Angles: Match the colors on the angle scale with the main bevel angle settings, rotating the guide body's top nut to select different main bevel angle levels for customized sharpening. Adjustable Clamp: Turn the hand twist nut to secure the planer cutter by controlling the guide bar's height with the knob, ensuring a firm and stable grip during sharpening. Fine Tune Eccentric Roller: Easily adjust to the ideal micro angle by pulling out and rotating the side knob of the eccentric roller, securely locking into place for accurate micro angle sharpening. Centering Markings: Utilize the scale markings on the main panel of the grinding guide for centering the planer cutter accurately, aiding in the adjustment and alignment process. Specification: Item Type: Honing Guide System Material: Aluminum Alloy PackageList: 1 x Honing Guide System 1 x Manual Package List 1 x Honing Guide System 1 x Manual