Ideal for anchoring in concrete, brick, or wallboard, White Ribbed Plastic Anchors work well with various diameter sheet metal screws. Recommended for quick, easy fastening of fixtures in a variety of light duty applications. This kit contains: (100) #6-8 x 1" anchors, (100) Phillips pan-head sheet metal screws, a #2 Phillips Bit, and a 3/16" Drill Bit.