Repair that broken audio tape yourself. Special for libraries, audio and video rental stores. Empty audio shells are white, 5 screw liner lubricated with fine graphite for extra smooth operation. shell is white (no label) Pack of 12 $7.70 By clicking the order button below you will be able to specify quantity. Availability: Usually ships the next business day. AC-0 empty audio shells, for audio tape repair (pack of 12) AC0$7.70 For more info., please E-mail us at sales@tapecenter.com for prices.