This is a complete kit for professionally replacing a pair of surrounds on all AR Speakers that utilize the AR 6 1/2 inch  driver. This will fit TSW-100, TSW-110 woofers, TSW-410, TSW-510, TSW-610, TSW-810, TSW-710 and TSW-910 Midranges. Additionally this fits MGC-II Midrange and other AR speakers that utilize the 6.5 inch drivers.

• Assembled from components selected over the years while replacing the surrounds on many, many AR speaker drivers. This is not a generic surround replacement kit.
  
• Components and detailed instructions were selected explicitly for Acoustic Research speaker drivers.
  
• The kit includes; a pair of foam surrounds, a set of shims for centering the voice coil (if you are going to go through the trouble of removing the woofer, go the extra measure and center the voice coil), a container of adhesive ( It is strong, fast drying and dries clear, and a pair of dust caps that you literally drop in place when done, and a step-by-step set of instructions.