This is a 100% effective complete lice and egg removal system that is school nurse recommended. The metal pins can be cleaned with hot soapy water for additional use. Extra large 5x magnifier for easy viewing of nits. Tweezers conveniently store in handle. Short pin and long pin comb are interchangeable for all hair types. Curly, thick, short, long & fine hair. Cleaning brush fits in bottom of comb. Easy grip molded handle. 2 metal pin combs.