Collet style propeller adapter for an 8mm shaft. Propeller will need to be drilled to a 10mm ID hole.
Back plate and prop washer are aluminum. Collet and nut are 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