#1	Aluminium Alloy Material Made of anodizing aluminium precision machined solid aluminum finder shoe base in matte black for almost all viewfinder holders for Witty 1 Tangent attachment etc fits all lens barrel radii
#2	Easy to Install Two large knurled thumbscrews makes it easy to install bases feature two large thumbscrew locks to secure finder scope or reflex sight in place even while wearing gloves just put it on optical tube and tighten the screws
#3	MultiFunction 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 side of base the distance between the center points of the screw holes is 24 to 41 mm
#4	WellEngineered In Shape the base forms two linear constraints on each tube radius of 130400mm in diameter which gives maximum stability the base also carries small guidanceCCD guider without any problem
#5	Practical Funcationality Syntastyle dovetail base fit most bracket designs from Celestron Orion Skywatcher Vixenn etc compliable with finder scope Laser Pointer bracket on telescopes