SVBONY SV116 Guiding Scope Ring Kit for Telescope Tube Diameter or Finders 43mm to 70mm with Pair Ideal for Astrophotography

Two tube rings made of metal;the guide scope rings are suitable for small and medium-sized guiding telescopes;70mm compact deluxe finder guidescope kit;ideal for astrophotography for mounting a guide scope parallel to the main telescope, The mounting bar has two M6 through-holes on both sides for easy adaption to rings. and three threaded through-holes;the center hole has 1/4"-20 threads and the two larger holes on either side of center have M8 x 1.25 threads, Solid metal guide scope rings for compact finderscope or guidescope with knurled metal screws. big screws with maximum grip allow easy use - even with gloves, The adjustment crews have teflon inlays for avoiding unaesthetic scratches and pressure marks on the telescope while still ensuring reliable clamping, The inner diameter of the tube rings is 70 mm for telescopes between 43 to 70mm tube diameter can be mounted adjustable