Mac's Troll Saver Propeller Guard Skin Treatments This mount is compatible with

This mount is compatible with "most" sonar and viewing devices and is easy to attach

lightweight aluminum with TIG-welded blade/shaft interface

Boots dry faster when positioned upside-down

100% Polyester tricot lining

Engineered to prevent unintentional detachment

Mac's Troll Saver Propeller Guard Skin Treatments This mount is compatible withDesigned to prevent fishing lines and downrigger cables from fouling your prop while trolling this device also protects props from underwater hazards and enables you to get close to stumps rocks and kelp where the fish hang out! Side benefits include increased thrust and improved steering. Five sizes to fit outboard motors up to 50hp. Not for human protection. Not advised for high speed river running use River Runner instead.