Feature: 1. Standard Viewfinder Mount: The standard viewfinder mount on top is compatible with guide mirrors and viewfinder dovetails. 2. Mounted Securely: The knurled locking ring is easy to tighten directly by hand and is securely fastened with a metal locking screw. 3. Aluminum Alloy Material: Made of aluminum alloy to ensure light weight but ultra high strength support, anti corrosion and wear resistance. 4. Dovetail Base: Dovetail mounts fit into viewfinder scope or reflex sight mounts so you can securely attach sights to any telescope. 5. Simple Operation: Telescope finder scope bracket is easy to use, just place it on the optical tube and tighten the screws. Specification: Item Type: Telescope Finder Scope Bracket Material: Aluminum Alloy Screw Hole Size: 1/4 Inch Top Edge: Approx. 23.4mm / 0.9in Middle Edge: Approx. 34mm / 1.3in Groove Height: Approx. 10mm / 0.4in Bottom Edge: Approx. 34mm / 1.3in Color: As Pictures Shown Weight: Approx. 53g / 1.9oz. Package List: 1 x Finderscope Mounting Bracket