features: Button-Fix - the secret fixing for panels The concept is simple: durable nylon Buttons are attached to the back of one panel and the mating Fixes are attached to the other. Bring the panels together and slide until the Button-fixes \"Click\" Button-fix can be configured in many different ways to best suit your application, either surface-mounted or rebated into the panel, and orientated for vertical or sideways assembly Button-Fix invisibly supports a wide variety of panel materials and thicknesses and is suitable for both interior and exterior use Polymer composite There are two types of button to suit different screw types Buttons must be ordered separately - see Related Products 80193 Lime green button for wood screw 80194 Orange button for euroscrew