The Utsumi 270 Carbon Rake Comb is 7.25" long with 1" deep teeth. The widely spaced teeth allow you to safely detangle wet or difficult hair. All BW's Carbon Combs are lightweight and completely anti-static, so they do not snag the hair. The teeth are incredibly smooth so they easily move through the hair. The Carbon combs are heat resistant, can be sterilised by boiling and also used with a dryer. Formerly known as BW Boyd 270 Carbon Comb. Made in Japan.