Leg Stretch Equipment Outdoor Fitness Equipment Size:1500x720x1240mm Certificate:Germany TUV Material:Steel or galvanized... 1)Model: HK-31342)Material: Steel or galvanized tubes with powder coated3)Function:Exercise shank muscle and knee joints.4)Approach:Sit steadily on the cushion, hold bars with both hands, feet grasp the round pipe, stretch legs, go and back.5)High quality, reasonable price, ...