#1	The inner diameter of the tube rings is 69 mm for Telescopes between 43 to 68mm tube diameter can be mounted adjustabl
#2	The adjustment screws have teflon inlays for avoiding unaesthetic scratches and pressure marks on the telescope while still ensuring reliable clamping
#3	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
#4	Syntastyle dovetail mounting bar it has two M6 throughholes on both sides for easy adaption to rings and one center hole with 14inch 20 threads