Dremel's 664DR Diamond Coated Drill FlipBit has two different sizes on one bit! Just flip to the other bit and drill a different hole size.
- FlipBit design for 2 different sizes on 1 bit
- Drill sizes 2.1mm and 1.6mm for smaller holes to expand diamond drilling applications (1/8 in. shanks)
- Multi-purpose with 3 functions including drilling holes, enlarging holes, and making small cuts
- Double-ended diamond coated bit for durability
- Diamond Coated Drill FlipBit - 664DR