Iron queen excluder wooden frame edges Queen Excluder for beekeeping

Material: Galvanized iron 

Distance: 4.1 mm- 4.25 mm

Size: 510*410 mm (sizes can be customized)

It is used to insulate bee queen from different bee colony.

In beekeeping, a queen excluder is a selective barrier inside the beehive that allows worker bees but not the larger queens and drones to traverse the barrier. 

Queen excluders are also used with some queen breeding methods.