
| Model:4020 Square frame | Model:4028 Square frame | Model:5010 Square frame | Model:5020 Square frame |
| Material:PBT | Material:PBT | Material:PBT | Material:PBT |
| Structure:Sleeve、Two Ball | Structure:Sleeve、Two Ball | Structure:Sleeve、Two Ball、Oen Ball OenSleeve | Structure:Sleeve、Two Ball |
| Electrical parameters:Customize | Electrical parameters:Customize | Electrical parameters:Customize | Electrical parameters:Customize |

| Model:4020 Square frame | Model:4028 Square frame | Model:5010 Square frame | Model:5020 Square frame |
| Material:PBT | Material:PBT | Material:PBT | Material:PBT |
| Structure:Sleeve、Two Ball | Structure:Sleeve、Two Ball | Structure:Sleeve、Two Ball、Oen Ball OenSleeve | Structure:Sleeve、Two Ball |
| Electrical parameters:Customize | Electrical parameters:Customize | Electrical parameters:Customize | Electrical parameters:Customize |