At first glance, this appears to be an ordinary comb. But pull the handle and out comes the stainless steel knife blade!
Comb and handle are made of high impact plastic, the overall length closed is 6 1/2". Knife blade is stainless steel, black version is partially serrated. Length of blade is 3 1/4".
NOTE: THIS ITEM MAY BE ILLEGAL TO POSSESS IN SOME AREAS. IF IN DOUBT WHETHER THIS ITEM IS LEGAL TO OWN IN YOUR LOCATION, CHECK YOUR LOCAL LAWS BEFORE ORDERING.