Rapid Off-centre Mass Wheels

Rapid-Off-centre-Mass-Wheels-Rapid-CW3-038-p-These-small-plastic-mouldings-fit-directly-onto-2mm-motor-spindles-providing-imbalance-that-is-required-for-vibrating-mechanisms-p-Rapid-Off-centre-Mass-Wheels

Price: 0.28 from Rapid Online Rapid Electronics Ltd.