Rapid Reducer 4mm to 2mm - Pack of 10

Reducers 4mm to 2mm - Rapid PEN 9996/10, Pack of 10 nylon 4mm to 2mm reducers, ideal for use with model motors, axles and wheels. Rapid Reducer 4mm to 2mm - Pack of 10

Price: 1.50 from Rapid Online Rapid Electronics Ltd.