Pillar for fastening device. Used together with IFLO, IFVÅ, IFBET, IFLÄB and FÄRN2. Supplied in pairs and stocked in lengths 80, 120, 160, 200, 240, 280 and 350 mm. Pillars should have a free height of 30-50 mm above the layers. This is so that IMUF2 can be used to seal around the pillars.