This Portable 6-in-1 Smart Body Fitness Ab Trainer is designed to be an effective home workout system. It cleverly hides interlocking springs and precision dials on each side for adjustable resistance, producing an astonishing 10kg to 20kg of resistance per side! So no time or effort is wasted as your muscles are going through the full range of motion, giving you a great overall core workout. In addition to the six standard exercises, you can even create your own because this versatile fitness tool will definitely give you endless fitness possibilities. It can also be combined with exercise and diet plans without the need for expensive gym memberships. Buy now and set yourself up to achieve that sexy six-pack you've always wanted! feature: * Fully assembled * Compact and easy to fold for storage * Works both ways on each rep *Adjustable dual resistance from 10 to 21 kg * Work by focusing on your upper, middle and lower abs and obliques * Combines 6 standard exercises including sit-ups, bridges, scissor kicks, triceps, push-ups, forearms and biceps Specification: * Condition: Brand New *Material: Cold Rolled Steel