16-Level Powerful MagneticMOSUNY rowing machine is equipped with a high-quality magnetic control system and an upgraded 16-level adjustable resistance. It allows users to find the optimal resistance intensity for their needs, whether they are elderly individuals undergoing rehabilitation training, or fitness enthusiasts seeking to build muscle. Unlike other 8-level row machine, the 16-Level resistance have more varied sporting experience. Dual Slide Rail, Stable & Smooth Design: We use a thickened commercial quality steel on this magnetic rowing machine to give it a better texture, durability, and higher load, supporting a maximum load of 350 pounds. Our dual slide rail is more stable than a single slide rail, won't wobble even with intense exercise, allowing you to maximize your potential.