15/32 x 5-3/4-In. Cobalt High-Speed Drill Bit Glides Interconnect multiple First Alert SMI105-AC

Interconnect multiple First Alert SMI105-AC Smoke Alarms together to help provide an early warning throughout your whole home and have peace of mind knowing the 10-year battery backup provides continuous protection in the event of a power outage

Handle and blade are locked together with a patented process for accurate handle alignment and prevention of spreading and pinching

All-purpose water soluble formula

Twist To Zoom Focusable Head

15/32 x 5-3/4-In. Cobalt High-Speed Drill Bit Glides Interconnect multiple First Alert SMI105-ACMaster Mechanic, 15 32" x 5 3 4", High Speed Steel With Cobalt Drill Bit, 135 Split Point Design With 4 Cutting Edges Allows Quick Penetration & Eliminates Walking, 8% Cobalt Content Provides Heat Resistance & Delivers Maximum Cutting Efficiency At Temperatures In Excess Of 1000&degree. F., Recommended For Drilling In Hard Metals Such As Heat Treated Steel, Stainless Steel, Chrome, Manganese Steel Plus Titanium & Armor Plate, Carded.