SVBONY SV137 1.25-Inch 3x Barlow Lens Metal Body Fully Multi-coated Internal Brass Ring.

This metal 3x Barlow lens has fully multi-coated lens to provide a sharp view.It can double the power of any 1.25” telescope eyepiece. Ideal for high power observation. A brass compression ring can protect your eyepiece from marring or scratching the barrel keeping your eyepiece new looking.