This is a Two-piece Two-Blade White Nylon Spinner with an Aluminum Backplate.|
No spinner nut required.
Engine shaft hole is stepped to perfectly center the opening if
englarging is needed.
Sturdy Aluminum backplate holds the spinner in round-which means
it turns truer, with less vibration.
One White Spinner cone
One Aluminum backplate
Two 3/32 x 5/32 S/T screws
Spinner Diameter: 2½"
Spinner Backplate Thickness: 1/8"
Crankshaft hole: stepped from 5/16" to ¼"
Weight: 1.05oz (30g)