Sold as each. One clamp holds any pipe, tube or wire between 5/8" to 2-3/8" dia. Strong nylon material holds up to 60 lbs at 1/5 of a safety factor. UV resistant. Releasable design. Perfect for plumbing, electrical, HVAC (suction lines), etc. Manufacturer number: 550-20PK2. Country of origin: United States. Distributed by Sioux Chief.