CUP BUR SWISS MADE S100 CONCAVE CUTTER SIZE ISO 100 - 10MM - JEWELRY MAKING SETTERS BURS - Cup Bur also known as concave cutter burs are used to smooth off and round prong ends can also be used for rounding off wire ends and rivet heads. The cutting flutes inside the concave cutter aggressively remove material for fast shaping. Cup burs tend to get clogged up with chips during their use, it is recommended to give them light taps during usage in order to clean and maintain the cutting efficiency. SPECIFICATIONS: JETS Product # 0201-3192-100 • Brand: Swiss • Head Shape: Cup Bur - Concave Cutter • Material: Hardened Tool Steel • Bur Fig and ISO: 77B - 100 • Head Diameter Size: 10mm • Shank Diameter: 3/32" - 2.35mm • Country of origin: Switzerland Sale is for 1 Bur Size 10mm Shipping: Via USPS First Class Mail NOTE: Visit JETSTOOLS our ebay Store Listings for a wide variety of Burs in various Shapes, Sizes and Sets, along with a range of Hand Tools for Jewelry Making and many more Jewelers Equipment Tools and Supplies. We carry full range of sizes see last 2 pictures --- For Specific Bur Sizes and Requirements as well as Pricing contact us ... JETS Inc. 1E 718 CKSP M