VEVOR AB Workout Machine Equipment Home Gym Core Abdominal Trainers Dual-trackProduct Features Sculpt Your Abs This ab workout machine features an ergonomic dual curved sliding track, increasing effective sliding distance. The fixed motion trajectory effectively enhances abdominal muscle engagement while reducing pressure on the back and neck. The separate sliders engage more muscles arms, shoulders, and glutes for comprehensive training. Safe and Stable Structure Maximum Weight Capacity: 440 lbs 200 kg. The core & abdominal