Main Features: - Titanize surface treatment， HSS high speed steel 6542.
- Specifications: M3， M4， M5， M6， M8. Package weight: 0.068 kg
Package Size(L x W x H): 3.00 x 0.50 x 7.50 cm / 1.18 x 0.2 x 2.95 inches Package Contents: 5 x Drill Bit