Deluxe Cheshire Telescope Collimator.

Great for complete alignment of telescope componets and mirrors. Fit into standard 1 1/4 inch eyepiece sockets.

• Helps perfectly align Newtonian optics and components
• 5 1/2  inch tube for accuracy
• Stardard 1 1/4 inch size
• It has a Peephole on top and Crosshairs at the bottom for precise centering of the optics
• Made of Aluminum