Bits arrived quickly with no problems. The flush router bit is a good, sharp drill bit that was able to easily cut through 5/8" Spanish cedar. I definitely recommend this product and plan on buying more to stock as spares. This was for one specific task where i needed a very small bearing to fit in the groove to cut off excess material to fit the glass in a door frame meant for wood paneling work and that it worked ok i have 2 Got it on my first order just in case I messed up the mod, luckily I didn't and now I have a new bit waiting to be used.