13Pcs Bowl Shape Diamond Burr Bits, Josaton Stone Engraving Bit for Dremel

• Bowl-Shaped Design: Unlike standard burrs, these bowl-shaped heads are engineered to easily reach curved surfaces, edges, and inner contours. Perfect for hollowing out, shaping, and rounding stone, glass, and jewelry pieces with consistent, smooth results.
• Diamond Coating: Crafted with high-quality diamond grit, these Josaton grinding bits deliver reliable hardness and consistent cutting performance, making them well-suited for working with tough materials like ceramics, glass, and stone.
• Dual Shank Compatibility：Includes both 2.35mm (3/32") and 3mm (1/8") shanks, making them universally compatible with most rotary tools and die grinders for flexible use across different projects.
• Size Variety: The stone carving set features a full spectrum of head sizes (from 2mm to 16mm), giving you the right tool for everything from fine detail work to larger shaping tasks.
• Wide Applications: Ideal for carving, engraving, polishing, and cleaning a wide range of materials, including stone, glass, ceramics, jade, tile, metals and fiberglass. Perfect for DIY crafts, jewelry making, and hobby work.

Key Features Bowl-shaped head easily accesses curved surfaces, delivers smooth shaping & rounding effects Versatile for carving, engraving, polishing on jade, tile, metal, fiberglass and more What You Get Dual shanks: 2.35mm (3/32") & 3mm (1/8"), fits most rotary tools and die grinders Multiple head sizes (2mm - 16mm), suitable for fine detailing and large shaping work Tips Match the bit size and rotational speed according to your material and working needs Wear protective gear during operation for safety Avoid excessive pressure to extend the service life of the grinding bits