3" Speaker Foam Repair New-Edge-It Kit, Part # FSK-3 Outer diameter: 3-1/4" (83mm) Roll outer diameter: 2-15/16" (75mm) Cone diameter: 2-1/2" (64mm) Inner diameter: 2-1/4" (57mm) Foam roll width: 3/16" (5mm) Variances up to 1/8" (3mm) from your speaker measurements are OK. 3" angle attach woofer foam repair kit. New-Edge-It part # FSK-3 Fits most 3" frame speakers with 2-1/2" conePlease check the model and size of your speakers before ordering to be sure you receive the correct foam edge repair kit.