50-pack of Blitz Activators. Use correct strength for each animal to ensure humane kill and avoid damage. Green to Red: see chart for size guide by species and weight.
50-pack of Blue Activators for Blitz Captive Bolt device. There are different strength cartridges for different-size animals. If too powerful a cartridge is used the captive bolt can become damaged (and may void the warranty). If the cartridge is too small the animal may not be killed. Refer to the activator chart below. Most dairy farmers will need the green activators for bobby calves, and the yellow activators for downer cows.