COLOR BLUE GRIT MEDIUM DIAMETER 1.4mm REVOLUTIONS PER MINUTE 300000 SHAPE STRAIGHT FLUTED USAGE LENGTH 7.0mm THORN DURABLE FOR MULTIPLE USES THORN EFFECTIVE CUTTING THORN COMPREHENSIVE SELECTION OF SIZES AND SHAPES THORN Made of hardened stainless steel for the shanks and diamond-plated heads THORN BOSPHORUS Diamond Burs were evaluated by 12 consultants in 241 uses. THORN Received a CLINICAL RATING of 91%