The ACME 3095 is a CNC machined 4 blade Nibral propeller designed for wake and ski boats needing balanced acceleration and power. With a 16.50″ diameter and 15.00″ pitch, it delivers solid thrust and efficient pull. Diameter: 16.50″ Pitch: 15.00″ Cup: .150″ Hub Length: 03.125″ Bore: Splined Blades: 4 Rotation: Left