Exercise equipment that slides on rails with your feet on the heel holders. This allows for seated leg flexion and extension exercises, made by Tokyu Oasis (now Sports Oasis) fitness club. There are two levels of resistance: strong and weak. Size: Approximately 56cm long, 32cm wide, 13.5cm high. Weight: Approximately 2.25kg total. Includes instruction manual and exercise guide. Thank you for viewing.