Item Type: Sit Up AidWeight: Approx.1465g / 51.7ozMaterial: Steel + Sponge Handle Cover 1Adjustable Sit Up Fitness Equipment: The adjustable sit up aid is made of advanced double layers steel support for greater strength and comfort. Longer double row support bars make your heels more comfortable during exercise, it is the perfect waist trainer for men and women, and a Valentine's Day gift for loved ones. 2Weighted Steel: Sit up fitness equipment, slip resistant and not esay to move, and super large diameter, 4.9 inches chassis allows for a larger stress area and strong suction. The bottom layer is surrounded by thick, high density soft foam that provides cushioning to protect the back of the foot from pain and injury. 3Adjustable Angle and Height: Suitable for different foot types and different exercise habits, and is suitable for the whole family. Different height can be adjusted according to different movements. Small and compact, it doesn't take up much space at home and can be carried around. Support stretching and more efficient exercise, bring you a better exercise experience. 4Multiple Usage Mode: Available in a variety of ways, this sit up fitness equipment can be used for a variety of exercises, helping you with sit ups, planks, side kicks, abdominal exercises, back stretches, elbow planks, push ups, and more. It is good for exercising the core strength of abdominal muscles, tightening hips and gaining attractive abdominal muscles. 5Easy to Assemble: Site free, quick and easy to assemble, just a few minutes to start abdominal exercises. This pull up sit up lever can be used on tile, marble, terrazzo, granite or other slippy floors, not recommended on uneven polished floors.