• Sharp Bosch premium carbide teeth
• 1-1/4 In. cup depth
• Closed back and deep gullets
• Comes with 1/4 In. hex shank bit

Sharp carbide teeth deliver a hole saw that's 10x faster with longer life than carbide grit hole saws. Drills shallow-depth holes fast in varied ceiling materials like drywall, plywood, ceiling tile, fiberglass, cement board, plaster and MDF. Sharp carbide teeth, a closed-back design and deep gullets combine to reduce dust.so the right bit always fits the right application.