GEMFAN 2 Pairs Gemfan 6045 Bullnose 6X4.5 Glass Fiber Nylon Propeller CW/CCWOriginal Gemfan propeller fiberglass nylon. 2 blade propeller with a diameter of 6 inches and a pitch of 4.5 inches in the Bullnose style. Material: Glass Fiber Nylon Size: 6" Pitch: 4.5" Blades: 2 Type: Bullnose Weight: 5.1 grams per prop Hub Diameter: 5mm Hub Thickness: 9.5mm Each pack contains 2xCW and 2xCCW propellers. (1 FULL SETS per pack)