Pneumatic Knee Prosthesis - Brand: Ottobock - Model: 3R78 - Easy to handle, even for beginners. - Function: Walking aid prosthetic leg Ankle part: Ottobock IC10, made of carbon fiber Thigh part: Vacuum valve type, made of carbon fiber Total length: Approximately 80 cm From the knee joint to the ankle part: Approximately 40 cm Parts for parts replacement, training, and temporary prosthetics. How about for training purposes? Made in 2020, used for about a year. There are some scratches. Those who understand are welcome to purchase. Maintenance completed 1 year ago. Returns and exchanges are not accepted. Thank you for viewing.