[Adjustable drag] - Our arm trainer has a wide resistances adjustment range, from 8 pounds to 15 pounds, suitable for all types of trainees.With just a switchs of the knob, you can change the drag to meet your training need. Since the strength of the left and right hands is different, We design a separate dially for each wheel. | [Wide Advantage & Portability] - The hand and forearm trainer is useful for cardio-aerobic conditioning and toning muscles. Further, it is made to emulate the movement of a boxer, when punching a speed bag. This trainer is portable too, so that you can work out the go. | [Quality Material & Easy Maintenance] - The burn machine are made from stainless steel with an electroplate paint layer, making it smooth as silk and make it rust proof. Just provide regular silicon oil to the rotating wheel for lubrication, so that the trainer will be more resistant and last you for a long time. | [360° rotating design movement force] - The Forearm Strength Trainer can rotate 360°, making your workout more comfortable. It can work out six major muscle groups, including the abdomen, chest, and arms, in a session, achieving better stretching and training results! | [Works While Standing or Sitting] - The forearm trainer works perfectly when you are standing or sitting and it also accommodates the specific needs of individuals in physical rehabilitation programs and in wheelchairs.