The Machine Key 1-1/2 x 1-1/2 x 5 Form B is an undersized key made from high-strength carbon steel, designed for secure engagement in keyways. This key measures 1-1/2 inches in width and height, with a length of 5 inches, making it suitable for various mechanical applications. Its precise dimensions ensure a snug fit, reducing the risk of slippage in rotating machinery. This product is ideal for use in motors, gearboxes, and other equipment requiring reliable torque transmission. The carbon steel construction provides excellent wear resistance and durability, ensuring long-lasting performance.