F
Fm From my attempts at different materials, these are effective on plastic and sheetrock.... possibly cardboard, but not on thin wood. I love the portability for small spaces where a router will not reach.
M
Mu Shipping was okay wasn't in a race for it but I've been waiting on it anyway cuz I want to try it out on some Sheetrock
C
Ca I absolutely love these.I don't know what i've done without these.I will definitely ordering some more



For Drill