Hillman 1/4 In. x 4 In. Hex Washer Tapper Concrete Screw Anchor (100 Ct.) Functional Hardware scrub brush for those tough

scrub brush for those tough caked-on spots

Increases R-Value up to 90%

auto shut-off when empty

6 Amp motor that spins at a variable speed of 16

smoother flaring

Hillman 1/4 In. x 4 In. Hex Washer Tapper Concrete Screw Anchor (100 Ct.) Functional Hardware scrub brush for those toughManufactured for top performance in masonry based applications, Tapper Concrete Screw Anchors are designed to fasten objects into concrete, brick, and block. Concrete screw anchors. Hex washer head. Use for window installations, interior hand rails, metal door frames, storm shutters, interior lighting fixtures, thresholds, or screened enclosure. 100 pieces per pack. Carbide bit included. Ceramic coated. ACQ approved.