Set of three (3)
Features:
Hub: 9.5 mm (0.37") W x 16 mm (0.65") H
Stud: 3 mm (0.12") D x 20 mm (0.8") L
Standard Cox 5-40 thread
Safely attaches a prop to an engine
Also acts as balancing weight (7 gr - 1/4 oz)
Brand new Original Cox items
Application:
All Cox .049 engines without spinners
All Cox .051 engines without spinners
Will not fit the red PT-19 rubber spinners
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