Choose Cleat Hooks, useful dual curved hook designs which you can use to secure tie backs, binding string or line. The hook is easily secured into place with two screws and has pre-cast holes to enable this. Great for holding Roman and Venetian blinds open, simply wind the pulled blind cord around the hooks in a figure of eight to hold the blinds open. Easily loosened to close. Available to both trade and DIY at C & W Berry