Head Diameter:2.5mm, Shank Diameter:2.35mm(3/32"); Suitable for electric nail drill, carving machine with a 3/32" collet.
Quantity:20 Pcs, Total length:42mm (1-21/32"), Grit:150 Medium.
The diamond coated grinding mounted point suitable for use in grinding on jewelry, gems, glass, marble, tile or granite
Use: Masonry Grinding,Used for sculpturing, dressing, precision grinding and internal grinding carbide in ceramic, glass, precious stone, alloy and many the abrasive materials.