The Body Solid ProClub Line Leg Curl Machines constructed details include a 2"x4" high-tensile-strength steel mainframe, nylon-coated, self-lubricating, aircraft-quality steel cables. It features fiberglass-reinforced nylon pulleys with v-grooved channels, machine-drilled weight plates that employ oversized nylon bushings for super-smooth operation, and highly polished, chrome-plated steel guide and selector rods. This machine comes with a 210 Lb weight stack. It has a double powder-coated finish that protects against scratching, chipping, and peeling. This machine is compelling proof that a high quality, proven design never goes out of style. Uniquely engineered center-drive cam distributes weight evenly to eliminate lateral torque. Biomechanically accurate pivot point ensures ergonomically correct body positioning for natural and complete hamstring development.