Med-Fit Systems 2009 Nautilus Nitro®  Gravitron Chin-Dip Core Upper Body Lower Body The Nautilus Nitro® Gravitron® stands alone as the only Chin / Dip machine to provide a proper biomechanical movement pattern. The Gravitron® packs in a variety of exercises into one amazing machine to improve your workout and help reach your fitness goals. Product Info Product Specs Color & Warranty About Nautilus Nitro® Four-bar linkage controls path of motion for proper biomechanics Kneeling design reduces height and enhances comfort Chin bar offers multiple hand positions and can be moved back out of the way when using dip Knee pad can be locked down for unassisted chins and dips Length 65" (165 cm)  Width 46" (117 cm) Height 84" (213 cm)  Machine Weight 587 lbs (267 kg) Weight Stack 230 lbs (100 kg) 1.800.831.7665 1.800.831.7665