It is designed for drilling wall such as brick,block and light-weight concrete.
Specifically designed barrel vents keep bit cool and provides for fast removal.
Specification:
| Diameter(mm) | Length(mm) | Segment Dimension(mm) | Segments Number |
| 22 | 150 | 13x3.0x8/10 | 3 |
| 25 | 150 | 13x3.0x8/10 | 3 |
| 28 | 150 | 17x3.0x8/10 | 3 |
| 30 | 150 | 17x3.0x8/10 | 3 |
| 32 | 150 | 17x3.0x8/10 | 3 |
| 38 | 150 | 20x3.5x8/10 | 3 |
| 42 | 150 | 24x3.5x8/10 | 3 |
| 52 | 150 | 24x3.5x8/10 | 3 |
| 65 | 150 | 24x3.5x8/10 | 4 |
| 78 | 150 | 24x3.5x8/10 | 4 |
| 82 | 150 | 24x3.5x8/10 | 4 |
| 89 | 150 | 24x3.5x8/10 | 4 |
| 102 | 150 | 24x4.0x8/10 | 5 |
| 107 | 150 | 24x4.0x8/10 | 5 |
| 117 | 150 | 24x4.0x8/10 | 5 |
| 127 | 150 | 24x4.0x8/10 | 6 |
| 152 | 150 | 24x4.0x8/10 | 7 |
| 162 | 150 | 24x4.0x8/10 | 7 |
| 182 | 150 | 24x4.0x8/10 | 8 |
| 202 | 150 | 24x4.0x8/10 | 10 |
ENGLISH