The Diamond Drill Bit Set includes 10 pieces of silver-colored drill bits made of metal, perfect for cutting tasks. These drill bits are suitable for use with drills and are manufactured in China. Ideal for professionals and DIY enthusiasts alike, this set provides high-quality tools for efficient and precise drilling.

This is an unbranded set that I purchased from Amazon but never used. Opened package to show sizes. All sizes are in mm.

8, 10, 12, 14, 16, 18, 20, 22, 25, and 50 mm.