| Model No. | Surface Treatment | 2D | 3D | |
| GRB40-35 | Normal/Antirust/Black Coating |  |  |  |
| Corrosion - Resisting | | | | |
| GRB40-50 | Normal/Antirust/Black Coating | | | |
| Corrosion - Resisting | | | | |
| GRB40-65 | Normal/Antirust/Black Coating | | | |
| Corrosion - Resisting | | | | |
| GRB40-80 | Normal/Antirust/Black Coating | | | |
| Corrosion - Resisting | | | | |
| GRB40-95 | Normal/Antirust/Black Coating | | | |
| Corrosion - Resisting | | | | |
| GRB40-110 | Normal/Antirust/Black Coating | | | |
| Corrosion - Resisting | | | | |
| GRB40-125 | Normal/Antirust/Black Coating | | | |
| Corrosion - Resisting | | | |