Chicago Die Casting V-Step Cone Pulley is a durable and versatile die-cast pulley designed to accommodate 4L or 1/2" x 11/32" belts. Each pulley comes equipped with hollow head set screws for secure attachment. The 146 model features a 3-step pulley with outside diameters of 2-1/4", 3", and 3-3/4", while the 141 model a 4-step pulley with outside diameters of 2", 2-1/2", 3-1/2", and 4". Various bore sizes are available, including 1/2", 5/8", and 3/4", all of type A, to fit different shaft requirements. This pulley provides reliable performance for a range of mechanical applications, ensuring smooth belt operation and long-lasting use. Model Number: 146-5, 146-6, 146-7, 141-5, 141-6