Original Gemfan propeller ABS. 2 blade propeller with a diameter of 3 inches and a pitch of 3 inches in the Bullnose style. Material: ABS Size: 3" Pitch: 3.0" Blades: 2 Type: Bullnose Weight: 3.2 grams per prop Hub Diameter: 5mm Hub Thickness: 7mm Each pack contains 2xCW and 2xCCW propellers. (2 FULL SETS per pack)