uxcell Coax Cable Inserting Circle Nail Clips 12mm Diameter 45pcs White Product Name: Circle Nail Clip; Fit Cable Dia: 12mm/0.47" External Size(Not Included Nail): 17 x 8 x 15mm/ 0.7" x 0.3" x 0.6"(L*W*H) Put the cable under the clip and hammer the nail into the wall to secure the cable. Strong and solid, ideal for securing wire to walls, door frames and skirting boards. Can install the flat cables to the wall or the floorboard for a clean look and prevent tripping over loose cable.