DuraDi Diamond Coated Ball CAD/CAM Carbide, Roland End Mill, 2mm, 1/Pk. Long reach dental bur and is designed for use with DWX-4, DWX-50, DWX-51D, 52DC. Extended reach allows to mill material 10mm to 26mm in thickness, and is approved for milling PMMA, Wax, Zirconia, Composite. Lasts up to 10 times longer than many standard carbide tools. Used mainly during the roughing portion milling of dental prosthetics. Overall length: 50mm, shank diameter: 4mm. Cutter design: 2 flute ball end. 1/pk