The Leoterra 8pcs Ball Tip Snake Sexing Probe Professional Reptiles Snake Sexing Kit Probes Set is a great way to get started with snake breeding. This set includes eight different sized probes, each with a unique tip that allows you to find the perfect spot on your snake. The probes are made from stainless steel and are non-slip handles which make them easy to use. The set also includes a brand new feeder which makes it easy to keep your snakes healthy.