Thornes B.S. Deep, Premium Wired Drone Base

Premium quality beeswax is manufactured at Rand. It is beeswax blended from a variety of sources and has excellent color and aroma.
 
This foundation is pre-wired
 
BS Deep foundation is used in National, WBC, and Smith brood bodies.
 
The drone base encourages the queen to lay drones. The varroa mites will migrate to these cells.  When they are capped over, the comb can be destroyed.