| model | d1 | Weight (g) | material quality | R | d | h1 | h2 | I | 3D |
| T28-R50-M5-16-BK | 10 | 1 | zinc alloy | 50 | m5 | 19 | 7 | 16 | Download |
| T28-R50-M5-20-BK | 10 | 33.11 | zinc alloy | 50 | m5 | 19 | 7 | 20 | Download |
| T28-R50-M5-32-BK | 10 | 33.01 | zinc alloy | 50 | m5 | 19 | 7 | 32 | Download |
| T28-R50-M5-40-BK | 10 | 33.5 | zinc alloy | 50 | m5 | 19 | 7 | 40 | Download |
| T28-R50-M6-16-BK | 10 | 1 | zinc alloy | 50 | m6 | 19 | 7 | 16 | Download |
| T28-R50-M6-20-BK | 10 | 33.11 | zinc alloy | 50 | m6 | 19 | 7 | 20 | Download |
| T28-R50-M6-32-BK | 10 | 34.01 | zinc alloy | 50 | m6 | 19 | 7 | 32 | Download |
| T28-R50-M6-40-BK | 10 | 37.01 | zinc alloy | 50 | m6 | 19 | 7 | 40 | Download |
| T28-R63-M8-16-BK | 13 | 64.71 | zinc alloy | 63 | m8 | 22 | 8 | 16 | Download |
| T28-R63-M8-20-BK | 13 | 67.61 | zinc alloy | 63 | m8 | 22 | 8 | 20 | Download |
| T28-R63-M8-32-BK | 13 | 71.01 | zinc alloy | 63 | m8 | 22 | 8 | 32 | Download |
| T28-R63-M8-40-BK | 13 | 73.01 | zinc alloy | 63 | m8 | 22 | 8 | 40 | Download |
Compared to other concentric handles, it has greater torque and more angles, making it convenient for operators to use. It is suitable for situations where there is a lack of space or special requirements for the position of the handle
Adjustable locking handle
