Aluminium Alloy Material: Made of high strength Aluminum with Anodizing Aluminium Process; Precision machined solid aluminum finder shoe base in matte black; for almost all viewfinder holders; for the Witty 1 Tangent attachment
Easy To Install: Two large knurled thumbscrews makes it easy to install: Bases feature two large thumbscrew locks to secure your finder scope or reflex sight in place; even while wearing gloves; Just put it on the optical tube and tighten the screws
Multi Function: There are two elongated holes on this base and a single countersunk hole for screws up to M5 in the middle; Two screws are on the on side of base; The spacing between the two screws is 24 to 41 mm
Attach two finder scopes or other aiming devices to your telescope quickly and easily
Use any combination of two aiming devices you wish including finder scope; red dot reflex sights; green laser pointer brackets; mini guide scopes; and more