DogRiverRoad t1_ixd5rlu wrote
Reply to comment by kuncol02 in How to mount something safely on a wall of unknown material? by zeurydice
Its a compressive hollow wall anchor. There is nothing exactly special about it. There are many wall anchors with similar or superior performance. I agree that there are wall anchors that are much worse, but that does not mean the a duopower anchor is the only acceptable one to use.
bobbertmiller t1_ixdhtp7 wrote
It's really a multi purpose anchor. It'll expand differently, depending on the cavities. It can either just spread in a solid wall or it can bunch up in a cavity.
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