Through Bored J Section Poly V Pulleys. Poly V pulley with a plain through bore.

• Poly V pulley, also known as a multi-rib or serpentine pulley, is a type of pulley designed to work with a poly V-belt.
• Features multiple V-shaped grooves that correspond to the ribs on the belt, allowing for efficient and reliable power transmission in compact systems.
• Poly V drives are ideal for high ratio drives and high speeds.
• J Section is 2.34mm pitch and 3.56mm belt height