Mechanical fixing system For Tiles Raimondi Ral Fix 120pcs 8mm 299C120Mechanical Fixing System For Tiles Raimondi Ral Fix 120 pcs 8 mm 299C120 The safety withholding hook RAI FIX is a simple and effective device that prevents the tile slab (set with adhesive) to fall down in the event of detachment from the wall. When installing tiles slabs bigger that 30 cm (suitable for ceramic, porcelain or natural stone) in faade with adhesive, it is required to use a mechanical safety system which prevents the tile slab to fall