This package contains the direct replacement rubber insert that
comes included with the Hobbico TorqMaster 90 Deluxe and the Hobbico
TorqMaster 180 Heavy Duty 12V electric starter. It measures 1 1/8" long
and the outside diameter is 1 7/16". If needing the aluminum drive cone that
this fits inside of it is HCAP3310.
– If you need more information, use these Hobbico resources –