Optimize your jobsite with this project pack from DIABLO. The DIABLO 16-Piece Hole Saw Kit features 5 (10 in.) bi-metal hole saw cups, 2 SnapLock PLUS mandrels, 2 pilot bits and 2 adaptor nuts (1/2 in. and 5/8 in.) for quick and easy hole saw cup changes for maximum job performance. Achieve perfect cutting power with the Nail-Embedded Wood and Metal Cutting Bi-Metal Reciprocating Saw Blade Set. The Demo Demon and Steel Demon blades included in this set produce less vibration than a typical blade. DIABLO's SPEEDemon Spade Bit range provides 1 of the fastest, most effortless hole drilling solutions on the market for fast, clean wood. The high-performance SPEED-TIP design self-feeds for faster hole making when compared to traditional spade bits.