WHAT'S INCLUDED 1 x Genuine XOAR PJN / PJI-E Propeller (size of your choice) for RC Gasoline Airplane 1 x Safety Warning Label MAX RPM 15 Inch or Less 12000 RPM 15 - 18 Inch 10000 RPM 19 - 24 Inch 8500 RPM 25 - 30 Inch 7500 RPM SPECS Model Series: PJN (2 Blade) / PJI-E (3 Blade) Material: Grade A Beechwood Diameter (Tip to Tip): 9 inch to 28 inch (22.86 cm to 71.12 cm) Pitch: 3.8, 4, 5, 6, 6.5, 7, 8, 10, 12, 14, 16 (Not all pitches are available to all Diameters) Compatible Motor Type: Electric Brushless Motors ADVANTAGES Trailing Edges Symmetry: Symmetrical Airfoil increases the range of angles of attack to avoid spin-stall Pre-balanced: Balanced both Horizontally and vertically to ensure out-of-package ready to fly. Hub Processed: CNC Processed from hub to tip to provide better stability by eliminating visible edges Read more TRUSTED BY PILOTS FROM AROUND THE WORLD Read more PJN Electric Propeller PJM-E Painted Electric Propeller PJT-E Carbon Fiber Electric Propeller PJI-E 3 Blade Electric Propeller PJH-E F3A Electric Propeller Material Beechwood Beechwood Carbon Fiber Beechwood Beechwood Color Wood Black, Silver, Red, White Carbon Fiber Weave Wood Wood Style Aerobatic Aerobatic Aerobatic Aerobatic F3A Type Electric Electric Electric Electric Electric