The Sela Core fitness is a revolutionary 6 in 1 fitness product designed to target your whole core. Focusing on your upper, middle and lower abs, and your oblique’s! To give you the ultimate total body core shaping and toning work out this core workout machine been proven to be so effective and will help you to achieve your goals and get the sexy six pack abs you’ve always wanted! With this absolutely versatile fitness tool, giving you endless possibilities to be fit. You could experiment and create your own exercises. . You can change the resistance It has cleverly hidden interlocking springs and precision dials on each side that gives adjustable resistance, producing an amazing 10kg to 21kg of resistance on each side! The resistance allows you to work in both directions on each and every rep! So there’s no wasted time or effort as your muscles are going through the entire range of motion, giving you an fantastic total core workout. Perfect Workout for all Fitness levels t doesn’t matter if you’re big or small, young or old, with Sela fitness core you can choose the exact workout that you want to do.