Delivering that extra "umph" needed, to get you through your mossy coverings, is why this prop was made. Helping you push through that heavy vegetation, you can save time for fishing, instead of wasting time getting un-tangled. 100% weedless Unique, patented design Swept-back and flared blades "Wedge" weeds away, while conserving battery power Helps you move through heavy vegetation, even at slow speeds Fits 4" motor diameters