High performance hole saws deliver faster cutting performance and increased productivity. Hole saw design provides ultimate cutting depth to bore deeper holes in one pass, Variable Tooth Design for faster cuts with less vibration, and tool-free plug ejection for fast material removal. Snap-Lock offers quick and easy change system with no down time. One Snap-Lock mandrel fits all Diablo hole saws, from 5/8" to 6" diameter. For use with wood, metal. Mandrel and pilot bit sold separately.