For adjustable spaced installation of wall and ceiling panels in interior finishing work Quicker installation as it is not necessary to underlay battens. Time savings of 50 %. Incredibly easy to equalise spaces by unscrewing using a screwdriver. No drilling into wood necessary. Milling ribs ensure clean countersinking of the head. Advice: Do not use the screw in applications with direct exposure to the weather or in wet rooms with atmospheres containing chlorine gas.