Optimus/Realistic 5" Speaker Foam Surround Repair Kit - Radio Shack 5 Inch Radio Shack Optimus and Realistic Pro LX-5, 12120 and others that match the measurements Same surround that professional reconers use Complete 2 speaker foam surround installation kit - 5 inch Easy to follow step-by-step installation instructions and videos FREE phone support at 1-800-397-9575 and FREE shipping within the U.S.