The queen isolator single frame holder isolates the queen on a single frame.  The cage is made of stainless steel. It holds one deep (9-1/8" tall) Langstroth frame and fits inside a deep hive body.
 
When used, the queen can fill a single frame with eggs without moving to another frame.  It can also be used to keep the queen from laying on a single frame.
Mon - Fri 9 AM - 5:30 PM, Sat 9 AM - 2 PM, Closed Sunday +919-241-4236