Diablo Bi Metal Hole Saw with Variable Tooth Design for Faster Cuts Fits Snap Lock Plus Mandrel System 4" Diameter, 2 3/8" Length DHS4000

4-inch hole saw Arbor sold separately 60 millimeter (2-3/8-inch) cutting depth for deeper holes in one pass and increased productivity Snap-Lock mandrel system for a quick and easy change with no down time One-size fits all Snap-Lock mandrel fits all Diablo hole saws from 5/8-inch to 6-inches in diameter, Weight: 1.0 Pounds, Manufacturer: Freud