• 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