JINGLING Diamond Grinding Bits 1mm Spherical Head Carving Ball Bur Pack of 30Pcs

30Pcs 1mm Spherical Diamond Grinding Bits Coated Burrs Set Grit 120 Rotary Burr Shank Diameter 2.35mm Code 31#-2.35mm New one box set of 30Pcs diamond coated grinding burrs pointed heads in box set Specifications and shapes: Product Name: Diamond Burs for Stone Carving, 1mm Round Grinding Stone, Ball Tipped Diamond Burr Heads Shapes: Spherical, Ball Heads Diameter: 1mm Shank Diameter: 2.35mm (3/32" inch) Total Length: 45mm (1 3/4" inch) Grit : 120 Medium Premium type diamond coated in grit 120 (medium), more durable than the ordinary diamond coated burr Use with water as a lubricant is better Suitable for use in grinding the glass, marble, rock, jewelry, shells, tile and stone We will send out your order within 1-2 days after payment has been received and cleared. Please let us know if you are looking for other accessories or hardware Welcome to Visit Our Store: www.amazon.com/shops/DiamondTools30 Just a friendly reminder: The Shank diameter of grinding bit is 2.35mm (3/32" inch). There are two different collet sizes with Dremel: 2.35mm (3/32 inch) or 3mm (1/8 inch). If your chuck of Dremel is 2.35mm (3/32 inch), then the grinding bit can be installed and used directly. Because the shank diameter of grinding bit is 2.35mm (3/32 inch). If your chuck of Dremel is 3mm (1/8 inch), maybe you need add the Adjustable Chuck (Multi Keyless Universal Quick Change Chuck Rotary Tools Accessories for Dremel)