Features: - Aluminum Alloy material. - CNC and Anodized processed. - Quick and easy installation: - Enough prop mounting mouth, playing gas airplane without worry about reaming. - The bottom plate has drilled prop mounting holes according to the sizeof engines. - Hollowed design bottom plate can effectively reduce the weight. - The middle of bottom plate is antiskid design. - Fixed slot design of bottom plate makes the installation more stable. - The new shape is more pointed than the old, and more beautiful, more simulation, smaller air resistance
Specifications: - Height: 88mm - Diameter of Bottom Plate: 3.5in/89mm - Aperture of Bottom Plate: 10mm - Screw: M5*60mm(screw thread length:23mm) - There are black, red, sliver and blue colors for choice.