Carrier for the Level 10 Powertube Oring (#844) or ID Carrier Oring. Sizes are from #3 down to #000. #3 being the largest and #000 being the smallest. OD Carrier O-ring (#2000) is included on each carrier. You can also buy the #2000 OD O-rings separately.  #844 Power Tube Orings are sold separately.

PLEASE NOTE: Powertube Orings for the Level 10 Bolt and Level 7 Bolt are not the same.  Level 7 bolts use Spacers (#683) and #123 orings.