A Paper Mill Pulley is a system of Paper Mill Pulleys made up of many different sizes. The Paper Mill Pulley consists of a two- toPaper Mill Pulley configuration. This type of Paper Mill Pulley is found on equipment such where different operational speeds can be produced simply by changing the belt to a different Paper Mill Pulley size. and when the belt is changed on one Paper Mill Pulley, it is also changed on the corresponding Paper Mill Pulley on the other side of the belt.