ONE PIECE CARBIDES Packing:10/Pack Product Features Specifications Usage Instruction PerformanceCuts more effectively, with a greater blade contact on the tooth surface and reduced risk of chipping or breakage. Ensures a fast, smooth vibration-free performance, reducing patient discomfort as well as operating time. Strength100% Carbide as opposed to only the head, as found in many competitive products. DurabilityMade from only the highest quality fine grade tungsten carbide. US no.: 4 FG(19mm): 014 FG no.: H1-014 Diameter(mm): 1.4 Shape Number: 4 Shank Type: Friction Grip Tip Type: Round