JZs BZs Base mounted Queen cell cups

These cell cups are some of the most popular on the market because they work perfectly with both the JZ BZ queen rearing system and your own larvae grafting method. They fit into grooved top bars and JZ BZ smoky cell bar.by inserting the nub on the bottom of the cell cup into the groove and then rotating the cup to secure it. There are a variety of colors to choose from, depending on your personal needs.

• Used for larvae grafting
• Fit into grooved top bars and JZ BZ smoky cell bar.
• Nub on the bottom of cup is used to secure it tightly to the bar