First Alert 10-Year Battery-operated Photoelectric Sensor Smoke Detector Item #3492121 Model #LOW-3364-00 round point blade features a

round point blade features a secure step allows for solid placement for added digging force

With Swift Wipe

#15 and #10 star tips and 5/16 and 1/4 in

metal shavings

Thicker than competing products’

First Alert 10-Year Battery-operated Photoelectric Sensor Smoke Detector Item #3492121 Model #LOW-3364-00 round point blade features aThe First Alert SM210 10 Year Sealed Battery Smoke Alarm with Slim Profile Design is equipped with First Alert's Precision Detection advance sensing technology and meets new industry standards. This slim profile smoke alarm is easy to install, and the 10 year sealed battery means no battery replacements are required. Precision Detection technology helps reduce cooking nuisance alarms and provides early warning. 10 Year sealed battery eliminates