Part Number MB5741 Description Non-metallic 5 x 7 inch base for 1/2 inch siding that provides a smooth mounting surface for equipment and devices. UPC 018997151711 Unit Packaging 10pcs Standard Packaging 10pcs Country of Origin Weight 0.211 lbs/each Height 7.000" Width 5.000" Color White Material(s) Plastic Paintable Yes Line Drawing MB5741 Line Drawing Siding Type 1/2" Lap Siding Trade Size For 1/2" Lap