Schwaben has gathered nine of the most popular hex head (also called Allen head) drivers in a handy kit.

High strength hex driver set, in 3/8 and 1/2-inch drive, is rugged enough for professional use and includes 4, 4.5, 5.5, 6, 8, 12, 14, and 17mm sizes, conveniently housed in a sturdy blow molded case for portability and easy organization.