Protect your propeller with these sleek Vittorazi Branded Prop Covers complete with a Velcro enclosure.Please note Vittorazi Prop Covers are shaped at there ends to follow the leading edge and are therefore are directionalAs a general rule (viewed from the rear) Belt Driven Props are Anti Clockwise Prop Rotation / Gearbox Driven Props are Clockwise Propellor Rotation.Please choose which Rotation you require in our drop down options.Size of Propellor these will fit is from: 115cm - 130cmLook at prop tip angle below