The California Bander is a simple and easy way to castrate. Delayed castration allows bull calves to grow faster on the natural testosterone produced by retaining their testicles for longer. This kit comes with the latex bands in pack of 25. To apply the bands the tool is grasped by the left hand. The band clip is fitted into the small slot in the top of the tool. The testicles are grasped firmly against the tool and the band is pulled tightly around the scrotal sac and down into the V-notch of the clip. Let go of the sac and the clip frees from the tool.