Vortex Razor HD 10x42 Binocular Hummingbird Feeder This useful necessity is a

This useful necessity is a great way to prevent leg splay in baby martins and keeping the nest off of the floor

Birds Choice

Extra Large Nesting Cavity 13" Deep

I have it on my pole feeder and it has held up well against wind

Vortex Razor HD 10x42 Binocular Hummingbird Feeder This useful necessity is aVORTEX RAZOR HD 10X42 ROOF PRISM BINOCULAR Extreme conditions? Unimaginable terrain? Both test your mettleand your optics. With a well earned reputation for pushing the limits of optical performance, the Razor HDs step up and out on other binoculars in their class. Small, light, bright, strong, and packed with the best quality, hand selected prisms and premium HD extra low dispersion glass available today. Nothing else comes close. Specifications