Ideal heavy duty fixing for roller shutter doors, fire doors, wall plates, security grills, machinery, signs and fencing. For use in cracked and non-cracked concrete (ETA option 1), hollow-core slabs, flooring blocks and ceramics. Product recommended for applications requiring fire resistance. Three-piece expanding sleeve of maximum expansion provides optimal load and safety of use in any substrate. Wide range of diameters (M6 to M24).