Dyna-Quad Nibral 21" - For Shaft Sizes: 1 3/8" - 1 3/4"
Michigan Wheel 21 Inch Dyna-Quad 4 Blade Nibral DQ4B21N Propeller. 0.69 E.A.R., 21” Diameter , Shaft Size: 1 3/8" - 1 3/4". S uggested for vessels requiring greater blade area due to the added weight and thrust requirements. This Michigan Wheel 21" DynaQuad is an excellent choice for performance-minded commercial boat operators . DQ4B21N. *Free US Shipping!