General description This set includes 100 MasonMate Hollow Wall Anchors designed for secure mounting in hollow walls. They provide a reliable, permanent threaded fixing solution for various DIY and home improvement projects. Made from zinc-plated material, these anchors offer increased durability and corrosion resistance. Technical specifications Quantity: 100 pieces Size: M4 x 20mm Material: Zinc-plated metal Compatibility and accessories Suitable for use with M4 screws Compatible with hollow walls and drywall Installation Insert the anchor into a pre-drilled hole in the hollow wall Expand the anchor by tightening the screw to secure the fixture Usage Ideal for mounting shelves, brackets, and fixtures in hollow walls Ensure the wall thickness and weight load are within the anchor's capacity