The ring follows the hand at all angles while rotating 360 degrees. “SWORD SWIVEL” has inhereted the SWORD DNA. The stress of your wrist, elbow, and hand are reduced by having a comfortable thumb position. “SWORD SWIVEL” was developed to relief and prevent tenosynovitis syndrome. You also have more freedom with the swivel ring in various situations such as blunt cut, chop cut, and stroke cut. Cobalt Molybdenum steel. Semi- flat screw. High Performance carbon resin bearing. ORGANIC DESI.