A device of a descaler head is described with circumferentially following and longitudinally following rows of descaler parts (22, 24, 26) where the descaler head comprises: a shaft (12) onto which are fed a number of holding elements for the descaler parts (22, 24, 26), said holding bodies are held together in axial direction with the help of adjustable gripping appliances on the carrier shaft, and each descaler part is connected to associated holding bodies via connecting means that are each in the form of a relatively short length of chain, piece of wire or similar flexible connecting means, at a distance from the rotational axis of the descaler head. The descaler head is characterized in that each holding body is formed by two mutually separated disc-formed elements(30, 32), with the descaler elements (22, 24, 26) being arranged held in between the plate elements of the holding body with mutual distance along their periphery, with each holding body (30, 32) being shaped with means to prevent mutual twisting in relation to the adjoining holding bodies.