roto starter rubber cap for 20-80cc engine, rc airplane parts
Small(Red):
roto starter rubber cap for helicopter
Size :OD 36mm:ID 24mm:H 30mm
Fit:helicopter ,Nitro Airplane RC plane
Big(Black):
Roto starter rubber cap for 20-80cc engine, rc airplane parts
Size :OD 52mm:ID 40mm:H 30mm
Fit : 20CC-80CC gas airplane starter
only include 1pc rubber cap, picture just for comparing