These cages hold a single full-depth Langstroth frame. Multiple uses, used to force Queens to lay up drone frames to aid Varroa mite control or for breeders wishing to get a reliable batch of day-old larvae for grafting.  
 
Price is excludes GST and postage
 
It is also available as a Queen Introduction cage with smaller spacing to reduce external worker bees entering and killing newly introduced Queen into established hives.