| Item | Content |
| Name | Urban Metro Wheel Outer Diameter Measuring Instrument |
| Model | HTR2706 |
| Purpose | Measure the rolling circle diameter of wheels for urban metro vehicles |
| Item | Content |
| Name | Rail Vehicle Wheel Outer Diameter Measuring Instrument |
| Model | HTR2707 |
| Purpose | Measure the rolling circle diameter of wheels for rail vehicles |
| Item | Content |
| Name | Locomotive & Vehicle Wheel Outer Diameter Measuring Instrument (Pointer Type) |
| Model | HTR922 Series |
| Purpose | Measure the rolling circle diameter of wheels for various locomotives, vehicles and EMUs |
| Item | Content |
| Name | Locomotive & Vehicle Wheel Diameter Measuring Instrument (For Non-drop Wheels) |
