AM ARROWMAX 4-Speed Electric Mini Drill Pen, 10 Small Drill Bits with Aluminium Box, OLED Display, LED Lights, Resin Drill Set For Jewelry Making,Plastic,Wood (SDS ULTRA)

I have this one, discontinued but they have other models. Works well, adjustable speeds, rechargeable. You don't need something crazy for styrene, too fast and you'll melt it, etc. https://a.co/d/0h1KAJn6