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Electric Motor Prop Adapter 4mm Shaft (COLLET TYPE)
These are suitable for any type of Electric motor that has a shaft of 4mm
Made from light weight alloy,theyare simply slid onto a 4mm Electric Motors Shaft
and tightened up against the prop, providing a secure
and quick method ofretaininganysuitablysizedpropeller.
Fits props with a 6mm hole