Sold as Bg/5. 3/4" CTS (1/2" iron pipe or PVC). For hanging all CTS tubing (copper, CPVC, polybutylene). Snaps onto nominal size tubing - for pre-piped jobs. UV resistant, black polyethylene. Mounting nails or screws sold separately. Bag of 5. Peggable polybag. Manufacturer number: 559-3PK2. Country of origin: United States. Distributed by Sioux Chief.