Dave Brown spinner is constructed of lightweight aluminum. Polished, brushed aluminum color. Includes four plastic backplate bushings, so the backplate will fit securely around any ordinary crankshaft. Designed for two-bladed props.
Weight: 1.94 oz. (55g) Spinner Backplate Diameter: 3" (76.2mm) Spinner Backplate Thickness: .35" (8.89mm) Spinner Backplate Hole Diameter: .58" (14.73mm) Length From Back Of Backplate To Front Of Cone: 3.10" (78.74mm)