Made in USA. This Billet Aluminum Non-Floating Quad Line Clamp is designed to secure three #10 Reduced Barrie or E-Z Clip A/C hoses and one #6 Reduced Barrie or E-Z Clip A/C hose securely to a frame rail or an inner fender pane. Perfect for A/C and heater lines. You must use #10 Reduced Barrier or #10 E-Z Clip hose for heater lines. Does not work with standard barrier A/C hose or 5/8" heater hose. Sold individually.