SVBONY Finder Scope for Astronomical Telescope Red Dot Reflex Viewfinder Finder Scope Two Hole Fixing

It is an easy upgrade to the optical finders that are usually found on 4.5" and 6" reflectors and many refractors as it is a straight replacement, using the same two protruding studs. The holes on the base of the finder are slotted so that they will fit from 21mm to 26mm across. Specification Material: Metal + Plastic Color: Black Net Weight: 72g/2.52oz Package Includes: 1 x Red Dot Finder Scope 1 x Mounting Bracket Base