12 Pack 3/4-Inch Full Clamp, With Barbed Nail, Made Of Durable Polyethylene To Prevent Corrosion, Pre-Loaded Nail Feature Provides Fast & Easy Installation, Ribbed Design Insulates Against Water Line Noise, Polybagged.

• Pre-loaded nail feature provides fast and easy installation
• Ribbed design insulates against water line noise
• No corrosion -- made of high impact polypropylene
• Rust resistant nails
• Can be used on hydronic systems
• UPC listed