Collet style propeller adapter for a 5mm shaft. Propeller will need a 10mm ID hole.
Collet, back plate and prop washer are aluminum. Nut is steel.
Entire part is 2.25″ / 56mm long.
Backplate is 1.5″ in diameter.
Maximum depth of motor shaft into collet is .9″ / 23mm.
$10.95