This is the Master Airscrew 16X8 Nylon/Glass Propeller

Master Airscrew 16x8 K-Series Propeller. The K-Series propellers are designed for larger 2-stroke, and 4-stroke glow engines and electric conversion model airplanes. Made from a glass fiber composite, each Master Airscrew propeller is made with high precision to ensure extremely tight tolerances. Experience utmost efficiency and performance with Master Airscrew propellers!

Features:

• Intended for larger 2/4-stroke and electric conversions
• Designed using advanced methods in airfoil selection, blade geometry carving and CFD (Computational Flow Dynamic) simulations
• Extremely tight tolerances allow for high consistency from prop to prop
• Classic series propellers are designed to give expert scale appearance to WWI and WWII model aircraft

Specifications:

• Propeller Diameter: 16in (406.4mm)
• Pitch: 8in (203.2mm)
• Hub Thickness: 0.75in (19.1mm)
• Shaft Diameter: 0.31in (7.94mm)
• Weight: 3.1oz (87.88g)
• Rotation: CCW (Standard/Tractor)