1. High Value Combo Pack Reusable plastic case, for hanging pictures, mounting shelves, attaching hooks, hook rails and other items to walls.^2. Nylon (plastic) ribbed anchors work with different diameters of sheet metal screws Ideal for anchoring in concrete, brick or wall. The anchor is corrosion resistant. A pre-drilled hole is required.^3. High quality self-drilling steel anchors plastic anchors Corrosion resistance, anti-aging, good toughness.^4. Suitable for use on small projects Hanging bathroom / kitchen accessories, shelves, light fixtures, mirrors, picture frames, and more. For hanging photos, attaching shelves, attaching hooks, hook rails and other items to walls.^5. Supplied in storage box Specifications E6 yellow, E6 red, E10 black, screw 6 * 1 ", 10- 12, 10- 14, 10 * 1-1 / 2 "screw^