Carry a small bag, case, battery pack or create a carry handle with the made in the USA, set of two, black Swivel Hook System Connectors from OP/TECH USA. The set is comprised of one male and one female connector. The Connectors are adjustable from 11 - 17". For strength and durability, the construction is nylon webbing and metal swivel hooks. Quick disconnects provide security as well as being fast and easy to use.