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. Quantity 1-9 10-49 50-& UP Cost per unit $0.35 $0.25 $0.22 By clicking the order button below you will be able to specify quantity. Availability: Usually ships the next business day. AC-0 empty audio shell, for audio tape repair AC0$0.35, 10 Shells for $2.50, 50 Shells for $11.00 For more info., please E-mail us at sales@tapecenter.com for prices.