The PowerTech OFX4 has aggressive cup and a moderately high rake angle. It has high aspect ratio and special X-cut geometry. This prop has excellent bow lift and grip characteristics, and is great for high performance flats, bay and muscle boats. Four blade design offers outstanding hole shot and holding ability. 15-1/4″ diameter, Cushion Lok hub, for V6 (4-3/4″) gearcases.