Universal wall plugs, made from 2-component nylon materials, for excellent load capacities in both solid and hollow building materials. Flexibility for an optimum fix, either by expanding or by folding or knotting, dependant on the substrate used. Features a narrow plug rim to prevent slipping in the drill hole, and allows for pre-positioned and push-through installation. Serrated profile to prevent plug rotation. Plug feedback when the plug is installed correctly. Suitable for concrete, solid brick, perforated brick, plasterboard and hollow block. Nylon Construction Suitable for Hollow & Solid Walls Suits 8 - 10 x 70mm Screws For High Loads in Concrete & Masonry Nylon Construction Suitable for Hollow & Solid Walls Suits 8 - 10 x 70mm Screws For High Loads in Concrete & Masonry