Feature●Product Name: Grinding Drill Bit Set; Type: Diamond Point●Material: Alloy; Shank Diameter (each): 0.09 inch (2.3 mm)●Average Length: 45mm; Case Size: 144 x 59 x 18mm (L x W x Thickness)●Main Color: Silver Tone; Net: 78g●Package: 30 pcs grinding drill bits; 1 x plastic caseDescription
The 30 pieces grinding drill bit set is set in a protective plastic case and is used to grind holes in various glass, ceramic, and stone.
Ideal for use with high speed drilling or grinding tools.