Sturdys and attaches easily to the door. It not while workout. Suitable for the door thick less than 2inch(50mm). Easy to change band. This over the door anchors is perfect for your resistance band, strength training, suspensions trainer. need drill hole, just need clip on your door and tighten it by hands. Our workout door mount anchors suitable for door top, bottom and side . Both sides of the door hook with door is wrap with soft pads, help of your door.