Lasts up to 2x longer than a standard Bosch holesaw in tough materials. An enhanced tooth design enables fast and smooth cuts while high-cobalt HSS alloy teeth deliver longevity. Slotted barrel aids removal of debris. Cuts wood, drywall, plastics, metal, non-ferrous metal and stainless steel. For use with the Bosch power change plus keyless arbor. Cuts Non-Ferrous Metal, Thin Sheet Metal, Wood & Plastic PowerChange Plus Arbor Steel Slotted Barrel to Aid Removal of Debris For Use with 3-Jaw Chuck Machines on Rotary Action Cuts Non-Ferrous Metal, Thin Sheet Metal, Wood & Plastic PowerChange Plus Arbor Steel Slotted Barrel to Aid Removal of Debris For Use with 3-Jaw Chuck Machines on Rotary Action