Start with the M4 smith machine when looking to build your dream home gym with enhanced safety features and more attachments to support a variety of training needs.The MIKOLO M4 base unit combines an entire commercial gym into a single power rack footprint, including a power cage, smith machine, functional trainer, pull up, dip handles, low row, and a Lat Pulldown station.The adjustable and independent dual pulley system is designed for partner workouts, which means you can do super set with it and training together with your family and friends. The MIKOLO M4 is Ideal for when: You want to lift safely without a spotter Your workout space is limited You want to skip the commute to the gym You want to work out safely and privately You want a complete all-in-one trainer You want a fun and efficient training with your workout buddy