This is a Two-piece Two-Blade White Nylon Spinner with an Aluminum Backplate.
FEATURES: 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.
INCLUDES: One White Spinner cone
One Aluminum backplate
Two 3x6mm Phillips head machine screws
SPECS: Spinner Diameter: 2½"
Spinner Backplate Thickness: 1/8"
Crankshaft hole: stepped from 5/16" to ¼"
Weight: 1.05oz (30g)