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Prop-Saver 'O' Rings
A very popular pack of 23mm diameter industrial 'O' rings of 2.5mm thickness and made from a limited stretch rubbery material designed to hold the propeller under starting torque yet fail on impact, saving the prop. Soft start ESC programming is advised, particularly when using propellers in tractor mode.
Available for aeromodellers and plumbers in two pairs (four).
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