Diablo 3/8-In. Snap-Lock Plus™ Mandrel System delivers fast cutting performance and increased productivity with its 2-3/8-inch cutting length, allowing you to bore deeper holes in a single pass. Its variable tooth design ensures faster cuts, making your work more efficient. This system features a Snap-Lock Plus design that enables quick and easy changes, along with tool- plug ejection for fast material removal, so you can complete your tasks faster. The mandrel is compatible with all Diablo hole saws ranging from 5/8-inch to 6-inch in diameter. It also includes 1/2-inch and 5/8-inch thread adapter nuts that convert other hole saw brands to Snap-Lock Plus, and a 3/8-inch hex shank mandrel for versatile use. Model Number: DHSAR375