Refurbished New (Refurbished with New components- just a few paint marks or scratches on the aluminum poles)The Ergobaum Dual ergonomic crutch is a double function shock absorber underarm crutch with arm support. it is designed to facilitate the use of crutches, reducing secondary injuries associated with underarm crutches while providing comfort during short, or long term use.The Ergobaum Dual is an Adult crutch for users between 5′ and 6’6’’ and supports up to 380 lbs. They are sold in pairs.This model contains different shock absorber systems throughout the crutch: One shock absorbing system is located in the underarm support, which consists of five sequential shock absorbers that prevent compression and impingement of the underarm nerves.The second shock absorber system found in this crutch is located in the grip of the crutch and the third shock absorber system is located in the tip of the crutch. Together, the three-shock-absorber-systems make the Ergobaum Dual the most comfortable and advanced crutch system in the world.Ergobaum Dual Vs. Ergobaum Royal: The Ergobaum Dual contains the same features as the world’s famous Ergobaum Royal Crutches. The main difference is that it does not contain electronics and that the main support is in the underarm and also in the arm, while the Ergobaum Royal is strictly a forearm crutch. The Ergobaum Royal contains two different shock absorber systems while the Ergobaum Dual has three different shock absorber systems (one extra system for the underarm support of the crutch)