Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Clock Letdown Key with Alarm Insert by PERRIN Sale $47.90 | / SKU 74-626 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 Clock Letdown Key with Alarm Insert is a yellow plastic let down bench key with 1 double end alarm insert.