Whether you travel often or just need a compact way to help exercise your upper body, the DMI Exercise Pulley Set is made for you. Exercise at home easily and safely! It fits over most standard doors and uses a durable pulley system to help increase the range of motion in arms while stimulating muscles. Two plastic handles provide an easy grip and the whole set is compact enough to take with you on the road. About Mabis DMI Healthcare Products Mabis Healthcare is a recognized leader servicing the acute, non-acute, professional, long-term care and home healthcare markets. Duro-Med Industries has built a solid reputation in the home healthcare industry as a reliable manufacturer and supplier of the most comprehensive line of durable medical products. Together, these companies offer over 5,000 of the finest quality healthcare products available.