The versatile design of the Symple Stuff Metal Adjustable Arm Clamp lets you work efficiently in the studio. This adjustable arm clamp has a simple design that makes it easy to use. The top of this adjustable arm clamp can securely hold different kinds of lamps. This arm clamp can itself be fastened onto any table or desk easily and quickly. The tension bar at the base of the shaft screw lets you tighten it for an optimum fit. The Metal Adjustable Arm Clamp by Symple Stuff has a black finish. The use of powder coated steel in the construction of this arm clamp makes it durable and reliable.