These quality cast aluminium rings are custom-made for use with either the AZ3, EQ1, EQ2, EQ3-2, EQ4, EQ5, HEQ5 and EQ6 (incl. PRO)  mounts/mounting plates.
Rings of the following internal diameters are available: 90mm, 102mm, 120mm, 130mm, 140mm, 182mm, 236mm & 285mm. This example is made for the 120mm refractor so it has a inner diameter of 116mm.
They are felt-lined and hinged for easy installation of the telescope. By loosening the thumbscrews, the telescope can be easily balanced and rotated. Please note these are supplied in WHITE colour. -only available in white-