Feature: 1. [Quick Accurate Setting] This integrated positioning tool allows for one step blade angle setting, ensuring quick and accurate angle positioning. 2. [Three Position Eccentric Roller] Simply pull back the knob and rotate in three positions to add a slight tilt angle to any angle setting. 3. [Innovative Design] The honing guide features extended work plane, comfortable grip, high clamping accuracy, 0.05 verticality of the plane, HRC40 clamp hardness, sturdy and lasting. 4. [Sturdy Material] Overall is made of 7075 aluminum alloy frame with anodized finish. The screw rod and metal clamping part are made of 440C stainless steel, enhancing rusty proofing. 5. [Multiple Grinding Angles] The sharpening guide features angle slots of 15°, 20°, 25°, 30°, 35°, 40°, 45°, and 50°, insert the blade into the appropriate slot for use. 6. [Reversible Jaw] The jaw is reversible. The short end can grind a maximum bevel angle of 35°, and the long end can grind a maximum bevel angle of 30°. Specification: Item Type: Honing Guide Tool Material: Aluminum Alloy. Package List: 1 x Honing Guide 1 x Angle Gauge 1 x Sharpening Device 1 x Angle Quick Positioning Tool 1 x Hand Tightened Screw 1 x Hex Wrench 1 x Instruction Manual Note: You can use a ruler or other flat object to quickly set the angle.