Improve your balance, coordination and speed using the Powerline (R) PLCE165X Leg Extension Curl Machine. This machine allows you to perform leg curls and extensions. Perform these exercises from either the prone or traditional position. Strengthen your lower body with the Powerline (R) PLCE165X Leg Extension Curl Machine. FEATURES: Perform leg extensions and curls Exercise from traditional or prone positions Improve your balance, speed and coordination Weight post is 1" in diameter Weight plates and collars sold separately Manufacturer's warranty: 10-year frame, 1-year other parts (in home) For additional information relating to the Manufacturer's Warranty, please contact 800-556-3113.