Precision Sharpening at 90°/118° / 135° Angles: Designed for exact tip angle restoration, this drill bit sharpening guide allows consistent 90°,118° or 135° regrinding. Simply align and guide your old bit—no guesswork, no deviation. Ideal for restoring twist drills to factory edge. Simple, Repeatable, Mechanical Accuracy: No electronics, no complicated setup. Just position, hold, grind—repeatable results every time. Made for professionals and hobbyists who value precision over gimmicks. Durable Engineering-Grade Polymer Build: Crafted from high-density, wear-resistant polymer for long-term stability. Unlike fragile 3D prints or metal units that overheat, this sharpening jig maintains its shape under repetitive grinding conditions. Compatible with Most Bench Grinders: Works with standard electric dry or wet bench grinders. Just clamp, align, and sharpen. No modification required. Built for efficiency in real-world shop settings. For Makers, Machinists, and DIYers Who Know Tools: Used by metalworkers, woodworkers, engineers, and anyone who refuses to throw out a dull bit. You sharpen it not to save money—but because you know it’s smarter. Fits standard twist drill bits Compatible with most bench grinders Supports 90°,118° and 135° angles Compact & portable design Ideal for workshop or field repairs Specifications: Material: High-density polymer Angles: 90°/118° / 135° Power Supply: None required Material：PLA Sizes:as shownPackage Includes: 1 x Drill Bit Sharpener