Diameter: 1.77" Total Pitch: 1.4x1.77=2.478" Shaft Size: 3/16" Requires: balancing Material: 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).
