SPEEDWELL Metallic DC Clips are used to secure the flat conductor to the building.  It is recommended to use DC Clips at 1 Mtr. distance. The Tape fits into the clip and is secured by two countersunk screws. These clips can be fastened to the building by recommended csk woodscrew 1 1/2" x No 10 plugs. Materials: Body - Gunmetal Screws - Naval Brass Torch: BS EN 50164-1:2000 (5Nm.) Use with Bare Copper