3 strikes you're out!
I used four total of these wics, three of which did not work, rhe wick came out of the base. I used them all in the same jar because I didn't want to waste more jars just in case they did not stay in the base. All of the wicks came out of the bases, including the one that I used players to squeeze the base closed around the wick i will be returning.
The best thing about them is the selection of sizes. They also come with adhesive, I do not like that type of adhesive in my candles. Maybe they work better, i truly doubt it though. they might work for some people. They did not work for me.
Also very heavy paraffin on the wick.