This round metal entrance gate has 4 positions:

• fully closed

• ventilation only

• queen excluder pattern (to allow only workers through)

• fully open

You can add this gate to any hive by just making a round hole to provide access to the bees, and then screw (screw not provided) the gate right above the hole. Then you can turn the gate to change the position.

Gate diameter is: 5″

Max entrance hole diameter is: 1 1/2″