The Southwire Madison Electric Smart Box Shark Tooth is a round non-metallic fixture box with a built-in hole saw that creates a perfectly sized hole every time. Designed for electricians installing overhead lighting, wall sconces, and smoke detectors, this innovative box eliminates the need for a separate hole saw or template.

• Built-in hole saw cuts the perfect hole - no separate tool required
• Center-located piercing drill bit for accurate positioning during installation
• Raised mounting rings inside the back for surface mount installations on basement or attic studs
• Mounting hole spacing accommodates 3/0 and 4/0 fixtures, supports fixtures up to 6 lbs
• 18.3 cubic inch capacity, 1 gang, 4 knockouts
• Polycarbonate construction - lightweight and durable
• Requires 9/16" driver (not included)
• Not for use on lath and plaster walls
• UL Listed and RoHS Compliant