In an ideal drill hole and / or without large demands on the carrying capacity will also do cheap plugs. So why pay the extra for the Fischer UX? They often worry even for a secure screw seat when simple anchors fail. The elliptical shape can be one hand to introduce lighter and at the same time reduces the risk that the plugs rotate with the bolt. The anchor "crumpled" down-hole and ensures a secure grip. For relaxed working I treat myself now always have the luxury of UX dowel drilling in masonry.
