These ingenious Yellow GRIPIT fixings, complete with 4mm screws, employ a patented slim wing design. As they expand within the plasterboard cavity, they establish an exceptionally robust and reliable fixing point. Ideal for both DIY enthusiasts and professional tradespeople, these fixings are perfect for securely mounting items ranging from curtain rails and bookshelves to kitchen units, bathroom fixtures, radiators, boilers, and even wall-mounted TVs.Unlike traditional plasterboard fixings, which often degrade over time, GRIPIT fixings offer a lasting solution to this common problem. Their user-friendly design ensures easy positioning and installation, providing a strong and dependable hold for a wide array of wall-mounted objects. The innovative design distributes the load over twice the diameter of the fixing itself, evenly spreading stress and ensuring maximum stability.Suitable for use with plasterboard thicknesses ranging from 9.5mm to 15mm, GRIPIT fixings are remarkably easy to install. Simply mark your desired location, drill the appropriate sized hole using the recommended flat drill bit, and gently tap the GRIPIT fixing into place. Insert the included component with a screwdriver, and with a simple twist, the GRIPIT wings will expand behind the board, completing the job.GRIPIT fixings are also reusable; just turn the wing screws to release and remove them. For situations involving double thickness plasterboard or dot and dab adhesive, the optional GRIPIT Undercutting Tool can be used to create the necessary recess for the wings to rotate freely.As seen on BBC's Dragons' Den, these fixings can safely support items weighing up to 71kg when correctly installed.