This is the Kimbrough 92 Tooth 64 Pitch Precision Spur Gear. FEATURES: Molded from 4/6 nylon for high degree of strength and wide range of operating temperatures INCLUDES: 92 Tooth 64 Pitch Spur Gear SPECS: Gear Pitch: 64 Number of Teeth: 92 Outer Diameter: 1.46" (37.2mm) Center Hole Diameter: 0.38" (9.7mm) jxs 08/16/13 ir/jxs