Certificate
Creating value for customers is OPT's commsion. OPT people are committed to focusing on customers' needs. Through a full range of quality cutting tools provide customers with machining standardization and personalized solutions, and help customers achieve efficient machining, precision cutting, and high-end manufacturing.
OPT cutting tools honestly appreciates the chance to discuss your requirement. We will do the best and continuously created value for our customers.

| model | (MM)dimension | ||||||
| series | Left/Right hand | W | H | L | h | E | R |
| JT01 | JT01-01 | 13 | 13 | 100 | 13 | 4 | 0.1 |
| JT01-02 | 13 | 13 | 100 | 13 | 4 | 0.2 | |
| JT01-03 | 13 | 13 | 100 | 13 | 4 | 0.3 | |
| JT01-04 | 13 | 13 | 100 | 13 | 4 | 0.5 | |
| JT01-05 | 16 | 16 | 120 | 16 | 6 | 0.2 | |
| JT01-06 | 16 | 16 | 120 | 16 | 6 | 0.3 | |
| JT01-07 | 16 | 16 | 120 | 16 | 6 | 0.5 | |
| JT01-08 | 16 | 16 | 120 | 16 | 6 | 0.8 | |

| model | (MM)dimension | ||||||
| series | Left/Right hand | W | H | L | h | E | R |
| JT03 | JT03-01 | 13 | 13 | 100 | 13 | - | 0.1 |
| JT03-02 | 13 | 13 | 100 | 13 | - | 0.2 | |
| JT03-03 | 13 | 13 | 100 | 13 | - | 0.3 | |
| JT03-04 | 13 | 13 | 100 | 13 | - | 0.5 | |
| JT03-05 | 16 | 16 | 120 | 16 | - | 0.2 | |
| JT03-06 | 16 | 16 | 120 | 16 | - | 0.3 | |
| JT03-07 | 16 | 16 | 120 | 16 | - | 0.5 | |
| JT03-08 | 16 | 16 | 120 | 16 | - | 0.8 | |