Use this flea comb to control fleas and identify skin and coat problems. It is also an excellent tool to remove burrs and other debris. Before using this tool remove any tangles that could damage the teeth of this comb pay particulate attention to areas around the ears, nape of neck and base of tail. Between strokes dip the comb into a cup of water with mild detergent to kill the fleas left on the comb. Comb is approximately 6 inches long with 1/2 inch bristles.