This four in one iron fitness tool is designed for home workouts, combining an abdominal trainer, chest expander, muscle training tool, and indoor belly trainer. Made from iron, it is durable and resistant to deformation, built to withstand daily use. Key benefits Durable iron construction that resists deformation for long lasting performance. Four functions in one device reduce the need for multiple tools and save space. Height adjustable indoor belly trainer to fit different users and exercises. Versatile for a range of movements including sit ups, push ups, side leg kicks, and general fitness training. Suitable for indoor use in small spaces, making it convenient for a home gym setup. Product features Abdominal trainer: iron material provides sturdy support for core workouts and sit ups. Chest expander: helps tone the legs, waist, arms and buttocks through resistance based movements as part of an indoor belly trainer routine. Muscle training tool: serves as an exercise bar for everyday fitness training within the indoor belly trainer system. Indoor belly trainer: height settings adjustable to accommodate different exercises such as push ups, side leg kicks and sit ups. 23 use scenarios Core and sit up routine: use the abdominal trainer and adjustable indoor belly trainer height to perform sit ups and other core movements with stable support. Upper body toning: employ the chest expander function to perform resistance exercises for arms and chest as part of a comprehensive routine. Full body conditioning: combine sit ups, push ups, and side leg kicks within the indoor belly trainer setup for a versatile, full body workout. Notes This device is intended for indoor use as a multi function fitness tool. Follow proper form for each exercise to maximize benefit and reduce risk of injury.