DBI-SALA Rollgliss Descender Descent Device - Stainless/200 ft.* The Rollgliss Descender offers fast emergency rescue and evacuation from a wide variety of elevated work areas with minimal training for added safety. * A fully automatic controlled descent for vertical applications enables fast, safe and effective descent at 8 ft. per second (varies depending upon the weight of user) with no manipulation required by the user for complete ease of use. * The lifeline of the Rollgliss Descender will automatically