Review on 🔪 Ultimate Bi-Metal Cutter Mandrel for Precision Aluminium Cutting by Jeff Drollinger

Good quality pilot drill but that's the only good thing about it. Hole saw teeth are dull and overpainted, preventing them from cutting metal effectively. The shaft is cheaply made and will not center perfectly with the hole saw, so if it "wobbles" your holes will end up larger. Spend your money on a quality hole saw. Do not buy.