Additional Details ------------------------------ Product description: Mann Lake fully plated metal queen excluders are computer control welded with precision wire spacing to ensure that your queen stays in the brood chamber. Eliminate the risk of losing your queen, & make it easier to find her by keeping her in the brood chamber. You also won't have to contend with brood in the honey supers during extracting time. This 10 frame excluder is compatible with any 10 frame langstroth hive.