Upgrade from metal line clamps to NotcHead Line Clamps; the easiest way to secure lines and eliminates the need for Z-bends to adjust for fittings. Centered set screw means you drill and tap holes right where you want your line to go. Lines easily 'snap in' with a push of your finger and eliminate the need for Z-bends to adjust for fittings. Made from high strength Co-polymer Acetal plastic, NotcHead Line Clamps are heat-resistant to 180° F, have low moisture sensitivity, are very wear resistant and easy on painted parts. After the line is installed, the fastening screw is completely hidden, giving a professional, elegant look. High strength plastic construction. Hardware included. Heat resistant to 180° F. 6/Pack.