ACME 2923 4 Blade 15.5" x 13" Propeller Black Friday The sharp rails

The sharp rails

the 727 Mainline minimizes stretch for more efficient energy transfer and improved control

micro-level adjustments to achieve the perfect fit and feel

Single-locking kneeboard strap

or as a training assist for first-time foilers/surfers

ACME 2923 4 Blade 15.5" x 13" Propeller Black Friday The sharp railsThe ACME 2923 4 Blade 15. 5" x 13" Propeller offers more surface area which means a more efficient transmission of power, higher fuel economy, and more consistent speeds. Thanks to ACME's continued devotion to push the ski and wakeboard boat propeller industry to new heights inboard props are helping ski and wakeboard boats achieve performances never before seen. Prior to 1999, ski and wakeboard boat propellers were cast from molds, a process that