Help me!!!

Erica • Official inspector gadget of glow, mommy of 3. 9-18-12 💙4-20-15 ❤ due 9-30-18💙

I have 1/2" screw in acyrlic plugs in, and they are STUCK. THEY WON'T UNSCREW. I've soaked them in peroxide, I've used things for better grip to twist off, and they will not unscrew. I don't know what else to do other than use some pliers. 😭