Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Hubert Herr Bird Post Guide by PERRIN Sale $6.46 | / SKU 71-7255 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available Hubert Herr Bird Post Guide used as a guide (to hold) the bird post on Hubert Herr 1 and 8 Day Cuckoo Movements.