Can be used for head lice and fleas on pets and humans. Finer mesh than Japanese-made ones. Opened but unused. The Nit Free Terminator is a high-precision comb for effectively removing head lice and eggs. Nit Picker - Brand: Nit Free - Model Name: Terminator - Material: Stainless steel - Notes: Can also be used to remove lice from pets Thank you for viewing.