The ServoCity 12T, 0.125" (1/8) Bore 32P Shaft Mount Pinion Gear (Steel) is crafted from durable alloy steel, designed for precision and reliability in mechanical applications. It features a 12-tooth configuration and a 0.125-inch bore, ensuring compatibility with various systems. Engineered with a 20-degree pressure angle, this pinion gear is ideal for efficient power transmission in complex machinery.