Multi-function fitness equipment sit-ups 418278035 Level Adjustable Height: This sit up bench features 5 height adjustment levels, making it suitable for people of different heights. Additionally, you can tailor your exercises to your specific needs, enhancing core muscle development and achieving optimal abdominal intensity. Heavy Duty Construction: Built with a thickened metal tube frame, this Ab workout bench ensures excellent sturdiness and durability. Plus, the stable triangular structure and