Hillman 1/4 In. x 3-3/4 In. Flat Concrete Screw Anchor (100 Ct.) Custom Accessories A built-in 10-year lithium battery

A built-in 10-year lithium battery means you never need to worry about changing batteries during the lifetime of the alarm

Robust body and cap constructed of glass-filled polypropylene

Strength and durablility make Razor-Back tools the choice of professionals

Heavy-duty locking mast clamp

and deep sockets 10mm

Hillman 1/4 In. x 3-3/4 In. Flat Concrete Screw Anchor (100 Ct.) Custom Accessories A built-in 10-year lithium batteryManufactured for top performance in masonry based applications, Tapper Concrete Screw Anchors are designed to fasten objects into concrete, brick, and block. Flat Phillips. 100 pieces per pack. Carbide bit included.