in a random toolbox, or k mart, walmart, lowes, or around the house. If you don't have one in your house go buy a real bowl. The socket acts as a metal bowl to smoke cannabis with. The normal use is to tighten nuts of various sizes. They usually have a square side with a hole, and on the other side (the socket side) is a hexagram. The hex part acts as the bowl area. I use a screen from headphones so the ganja doesnt fall through the little hole. Hope it helped.