This is a 1-1/4" B-Style Prop Hub from Tru-Turn.|
Superior quality Barstock Aluminum construction.
Backing plate is "Flush Mounted".
A 10-32 retainer screw provided with a hexagon socket drive insert.
Generally meant for 1.40 and larger motors, but can be used anywhere
that the engine shaft is not too long to fit under the prop.
(1) Prop Hub
Approx.Weight: 2.0oz (57g)
Diameter: 1-1/4" (32mm)