Octura 0937 : 3 Blade for scale use.Diameter: 1.48" (37mm) Total Pitch: .9x1.48=1.332"(33.30mm)Shaft Size: 1/8"
Requires: balancingMaterial: Aluminum bronze, roughly 85% copper, 11% aluminum, and 4% iron. High Strength: Offers tensile and yield strengths comparable to those of medium-carbon steel (minimum tensile strength of approximately 85 ksi and a yield strength of 32 ksi).