the ES900 is a must-have for the energy-conscious home gym
So overall it's if you're looking for one piece and you don't have a ton of space
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Inertia Wave® DUO - Fluorescent Red Maces the ES900 is a must-haveXM Fitness Special Edition The Inertia Wave DUO builds a stronger core and kick starts your metabolism using a series of 15 specially designed methods. Inertia Wave Back, abs, core, biceps, triceps, forearms, shoulders, rotator cuff, hamstrings, quads, calves. Hero Wave Back, biceps, triceps, forearms, shoulders, rotator cuff, hamstrings, quads, calves. Crossfire Abs, core, obliques, spine, shoulders, forearms, hamstrings, quads, calves. Kneeling