The ACME 2079 is a CNC machined 4 blade Nibral propeller built for wake and ski boats. With a 14.50″ diameter and 12.00″ pitch, it offers crisp acceleration, strong mid-range pull, and smooth throttle control. Diameter: 14.50″ Pitch: 12.00″ Cup: .105″ Hub Length: 02.750″ Bore: 1.125″ Blades: 4 Rotation: Left