First Alert 1046813 Smoke and Carbon Monoxide Alarm, Alarm: Voice, Electrochemical, Photoelectric Sensor Fluorescent & Led Lighting The one-piece hole saw has

The one-piece hole saw has a 1/4 in quick change hex shank and features a large slug ejection slot

abrasion resistance and proven durability

Fits all Behlen

Cable Size: #6 to 2/0 AWG

First Alert 1046813 Smoke and Carbon Monoxide Alarm, Alarm: Voice, Electrochemical, Photoelectric Sensor Fluorescent & Led Lighting The one-piece hole saw hasThe First Alert SMCO500V interconnect battery operated combination smoke and carbon monoxide with voice and location alerts helps provide an early warning and guide your escape to safety. Also equipped with First Alert's precision detection advanced sensing technology that meets new industry standards.