The Abs Company AbCoaster CS3000 Core TrainerThe patented Ab Coaster is the #1 Ab Machine in the world. The Ab Coaster CS3000 combines the simplicity of the ab crunch with the effectiveness of the hanging leg raise. Unlike traditional crunches, the Ab Coaster works your abs from the bottom up, while limiting stress to your neck, back and shoulders. Dimensions: 61 (155 cm) L x 33 (83 cm) W x 58 (147 cm) H Weight: 137lbs (67 kg) Weight Limit: 450 lb (204 kg) Training Range: 20 100 lb (9 45 kg)