LINIAN Easy install Fire-resistant Steel Cable Clips - LINIAN 1LSGALV1820, The LINIAN 1LSGALV1820 Galvanised Steel SuperClip is a single-component fire rated fixing, providing demonstrable upgrades to both safety and efficiency. This SuperClip is suitable for cable with a 18-20mm diameter.These clips are the ideal addition to any tool box due to their versatility. SuperClips are suitable for:Bunched cablesSWA cablesUse with steel cable tiesAnchor fixings for wirePVC/metal conduitUse with outdoor trunkingWith the SuperClips simple design, there is no need for plugs, screws or washers. The installation has three simple steps; Drill a hole, slide the clip over your cable, and then compress to insert the clip into the hole. LINIAN 1LSGALV1820 SuperClip, Galv, 18-20mm (CC8) - Pack Of 25