Ground anchors are designed for different soil classifications longer models for loose soils, shorter models for harder soils. Before installing any ground anchor model, the soil must be tested with a soil test probe to match the approved ground anchor model to the site's soil class. WARNING Before ground anchor installation, determine that the anchor locations around the house will not be near any underground electrical wires, water lines, or sewer pipes. Failure to determine the location of electrical wires may result in serious personal injury. Features Screens install outside of window Flush mount for aesthetically appealing applications Drop-in glazing Heavy metal latches on vertical slider Pack of 8 Specifications Painted Color Size 42 x 0.75 in Country of Origin United States Dimensions 1.75 in H x 28.5 in W x 48.5 in L Weight 14 lbs