Pre-assembled for quick, easy and repetitive installation. Grey nylon plug, zinc yellow passivated screw nail. Quick and easy to install using a hammer for final fix. Pozidrive compatible screw head for easy release if required. Strong grip in solid substrates. Through fixing, eliminating the need for marking and re-positioning. Widely used for batten, window and door frame fixing. Suitable for most masonry substrates including concrete and brickwork.