Material: This rowing machine pulley is made of durable nylon material, ensuring long term use and resistance to wear and tear.Product Dimensions: The guide wheel measures 39*4*24.6cm, making it fit for most standard fitness machines.Easy Installation: Fitness sports equipment accessories can be easily installed on your rowing machine or fitness bike for smooth operation.Feature: Rowing machine pulley fitness equipment, With a high load bearing capacity,able to carry loads.Versatile: This guide wheel is not only suitable for water resistance rowing machines but also ideal for other fitness equipment like exercise bikes, enhancing your workout experience by providing smooth and stable movement. Specification: Material: Nylon Size Chart: 39cmx4cmx24.6cm/15.35inchx1.57inchx9.69inch Package Includes: 1 Piece Rowing Machine Pulley Note: Please allow slightly errors due to manual measurement and different monitors.