The Aquatic Life Suspension Hardware for T5 HO Hybrid 4-Lamp Mounting System Fixtures are sturdy and durable clip on hangers for suspending LED lighting fixtures above aquariums. With an adjustable stop collar and adjustable mounting plate, these hangers are ideal for aquariums of varying sizes and heights. Decorative endcaps round out the piece for a modern, sophisticated appearance. These strong hangers can hold a maximum weight of 10 lbs per hanger.