G = 1 mm material thickness outer ring. Simply remove the porous old surround and stick the new one., (Glue not included). - High-quality rubber surround., - Very flexible. Diaphragm Piezoelectric Crossover Silk Dome Tweeters Replacement Parts Speaker Repair & Parts | Home & Pro Audio | Twin Cities MN B = 50 mm diameter outer bead. D = 36 mm diameter inside., E = 2., 5 mm height bead., F = 0., 23 mm material thickness bead. We make it possible., ., ., With these surrounds you can quickly and inexpensively repair your broken speaker. Size (inches) = 2 inches. Other sizes and shapes available in our shop. Discover a second life for your old speakers that have damaged or decomposing cone surround foam. Get back into perfect condition with our speaker surround refoam repair kits Save on price, not on quality. Replacement Foam For Speakers 2 Aft 0.75" Silk Dome Tweeter Diaphragms For Speaker Repair 8 Opposite High Quality Rubber Speaker Part