Thick Steel: Pulley system for gym is made of high-strength stainless steel screws with thick load plates to ensure superior durability and stability during intense workouts, able to support heavy loads without bending or swaying Silent Pulleys: Pulley system for home gym is equipped with high-quality aluminum silent pulleys that run smoothly and reduce friction, allowing you to focus on your workout without noise distractions Versatile Total Body Workout: Pulley system provide unmatched flexibility for a full body workout, targeting arms, shoulders, back and multiple other muscle groups