Multiple Sizes, One Purpose Each burr in the set features the same reliable ball shape, ideal for both engraving and polishing. Smaller sizes (0.5mm–1.8mm)： Perfect for fine details and carving within tight spaces. Larger sizes (4mm–8mm) work best for smoothing, contouring, or broader surface work. All burrs share a 2.35mm (3/32") shank, compatible with most rotary tools, including Hanboost S2. Easy to Install This diamond engraving burr kit fits all standard rotary tools with 2.35mm or 3/32" collets – perfet fit for Hanboost S2. No adapter is required. Engrave Hard Materials with Ease This kit is easily used to carve or smooth glass, jade, ceramics, bone, or hard alloys without skipping or chipping. Perfect for Creators and Hobbyists Whether you're restoring antiques, making jewelry, or sculpting miniatures, this kit is a go-to for makers who demand detail and control. Premium Diamond Grit These engraving burrs are made of premium diamond particles and metal, providing consistent performance and sharp cutting.
