Great White Lab Series Features: •10X increased durability and longevity with extremely hard cutting surface of 2,800 Vickers •Abrasion resistance reduces surface heat and vibration for a cooler, more consistent surface finish. •Comprehensive selection of shapes, sizes and grits, manufactured with tungsten carbide heads and stainless steel shanks. Material and Usage: Chrome Cobalt - Trimming Partial Denture Framework Hard Acrylic - Trimming Dentures, Trays, Temporary Restorations Metal Alloys - Trimming Crown and Bridge Metal Substructures Composite - Trimming Temporary Appliance and Restorations Plaster & Stone - Trimming Models & Dies Specs: Shank: HP Head Length: 6.5 Head Diameter: 070 Multi-Use: Yes ISO Shape: 001 Series: E ISO Grit: 190 HP Number: 500 104 001 190 070 Color Band: Blue/Blue Max Speed: 20,000 Pack Size: 1 Each