| Suitable for GWPC and GWPL series 0.5-inch and 1-inch wave plates and polarizing plates； |
| Rotation mounts, which can achieve 360° of continuous coarse rotation and fine rotation with a resolution of 0.1°； |
| With bottom-located tapped hole, used to mount the post and its mating post holder； |
| For wave plates, the frame should be designed. |
