Complete size assortment: this round cup burr set includes 6 commonly used sizes—1.0, 1.4, 1.6, 1.8, 2.0, 2.3mm—giving jewelers and hobbyists versatile options for detailed finishing work. Easily select the right burr size to match different wire gauges, bead holes, and intricate design requirements in one convenient kit. Versatile material compatibility: designed for carving and shaping silver and other jewelry metals, these burs also work well on wood, walnut, olive core, beads, and various valuable soft metals. Ideal for jewelry studios, craft workshops, and DIY projects that demand smooth rounding, deburring, and detail work on delicate pieces. Standard 3/32 inch (2.35 mm) shank: each wire rounder bit features a specific 3/32 inch shank that fits most popular rotary tools, drills, grinders, and hanging or suspension grinders. This universal size allows fast tool changes and stable operation, helping you achieve accurate, controlled results whether you are a professional or a beginner. high-quality metal construction: made from high-quality metal with excellent hardness, wear resistance, and rust resistance, these jewelry making burs are built for long-term use. They maintain cutting performance under frequent rotation, delivering clean, consistent results while minimizing burr wear and reducing the need for frequent replacements. Practical 6-piece package: the set includes 6 pieces of 3/32 inch shank jewelry making round cup burrs neatly combined for easy storage and access. Keep multiple sizes on hand for wire rounding, smoothing edges, and refining jewelry details, improving work efficiency and ensuring a professional finish on every project., Weight: 0.01984160358 pounds, Manufacturer: Aboiledy