5-1/4" Speaker Foam Repair New-Edge-It Kit, Part # FSK-5.25 Outer diameter: 5-1/8" (130mm) Roll outer diameter: 4-1/2" (114mm) Cone diameter: 3-3/4" (95mm) Inner diameter: 3-1/2" (89mm) Foam roll width: 3/8" (10mm) Variances up to 1/8" (3mm) from your speaker measurements are OK. 5-1/4" angle attach woofer foam repair kit. New-Edge-It part # FSK-5.25 Fits most 5-1/4" frame speakers with 3-3/4" cone. Please check the model and size of your speakers before ordering to be sure you receive the correct foam edge repair kit.