Specification: Material: Polycarbonate Color: Clear Size: Approx Clip Overall 21mm x 19mm x 16mm. Screw Length 10mm. Head Diameter 4mm. Thread Diameter 2mm. Rope Light Clips Outdoor are easy to be installed with coming screws, easy to install through the carpet without having to pre-drill the holes. Application: The LED Rope Cable Clips are used for outdoor Christmas light clips, LED string lights and neon rope lights. They are also the perfect decorating supplies for weddings, terraces, building outlines, cabinet, crown molding, ceiling, deck railing, stair, courtyards and large events. Package including: 50 Pack x Transparent PVC Strip Holders 100 Pack x Screws Warm notes: 1.Please allow slight deviation due to manual measurement. 2.Please allow slight color difference due to different monitor.