Product review (3 stars): so make sure you keep the ones you remove in good shape, don't just mash them out
Not sure these are as strong as they should be, but they work so far. The one on the right is extremely hard to remove and even more difficult to install. You really should remove the flexible pipe and whatever is in the way. I ended up just banging in the plastic spindle, and oh yea, BTW, they only give you one, so make sure you keep the ones you remove in good shape, don't just mash them out, you will need one or both.