Very impressive & efficient snow and ice evacuation.
 
The square & pointed exterior contour eliminates the need to sharpen the screws.

The smaller washer diameter helps to mount the screws more efficiently on a much wider variety of tires.

The Zinc plating offers extra protection against rust.

The screw has a unbeleivable ride stability, compared to any other screw on the market.

The MF44 is much more safe, stays stable in any driving condition and is much easier to ride due to the fact that the bike does not zigzag on the snow.