About this item This fits your . Make sure this fits by entering your model number. The manual walking treadmill relies on gravity to turn the track, has no electricity, is energy-saving and environmentally friendly, and can be placed anywhere in the room. Flywheel protective cover, safety pedal, adjustable armrest, sit-ups, walking, multi-function in one, easy to store, no magnetic radiation, fully foldable, more secure, and does not take up space. The non-motorized treadmill is a mechanical walking machine that drives the flywheel according to the inertia of the steps, and the suction cup base is stably upgraded to make exercise more effective. Inertia double flywheel, the inertia of the counterweight of the double flywheel allows you to run more smoothly and better. Please pay attention to the product size, this mechanical walker is more suitable for teenagers and women. If you have any questions before and after purchasing, please feel free to contact us through "Contact Seller", our professional customer service team will reply to your questions within 24 hours, thank you for your support.