Exhaust Flat Band Clamp use to seal muffler inlets, outlets, elbow joints, and other systme connection.Easy install, no need to weld or disconnect your exhaust system.When installed, the wide band confirms to the shap of straight or flexpipe, and seals without distorting the pipe. Size: 3" Material: Stainless steel Package: 1pcs Clamp as the picture shown Note: All pictures Actual shooting, tiny colour difference!