Use on the following base materials: drywall, plaster, block, brick and concrete, Ideal for hanging electrical fixtures, drapery supports, kitchen and bathroom accessories, pictures, mirrors and more., Holds up to 40 pounds. For vibration and shock loads, reduce the working load by a safety factor of 5. To do this, divide the appropriate load value in the provided chart at the back of the package by 5., Includes DuoPower #4-6 and #6-10 anchors, #6x1-1/2-Inch & #8x1-3/4-Inch screws, 3/16-in & 1/4-Inch drill bits, #2 Phillips driver bit