Hollow wall anchors, also known as molly bolts are used with drywall. Use to securely fasten mirrors, pictures, cabinets, and more to hollow walls. This anchor is an expandable sleeve that slides into pre-drilled hole in the wall. Once the anchor is installed, the screw can be removed and items can be changed without disrupting the anchor. Use for medium duty applications. *; ; Brand Name: Hillman Diameter: 1/8 in. Length: 1/8 Long in. Material: Metal Head Style: Pan Head Product Type: Hollow Wall Anchors Number in Package: 20 pk Screw Included: Yes Packaging Type: Clamshell Thread Type: High/Low Required Drill Hole Size: 5/16 in. Screw Length: 1-5/8 in. Capacity: 60 lb Application: Drywall, Plaster, Tile