Conical plastic anchors are recommended for quick, easy fastening of fixtures in a variety of light duty applications from drywall to concrete. Also known as wall plugs, these anchors expand when installed to reinforce the hole and resist stripping. Pre-drilling is required. Insert anchor flush with surface. Not recommended for ceiling applications.100 each of #8-10 x 7/8 conical anchors and screws75 each of #10-12 x 1 conical anchors and screws50 each of #14-16 x 1-1/2 conical anchors and screws6-compartment plastic tray makes for easy storage and easy to find sizes neededVariety of sizes for many different applications