25 Pack of Cable Clips with Nails and Screws: The internal dimensions of 22 mm x 39 mm (0.86" x 1.53"). Can accommodate multiple cables of different specifications at the same time,suitable for Brick/Drywall Cable Fasteners High Quality: The Clamps are made with durable PE material and with stainless steel nails for long life keep Cables Organized: The MultiCable Staples organize and secure multiple cable runs on a stud Fast And Easy Installation: Secures with one nail for wood studs,or one screw for metal studs (fasteners included) Versatile: Secure power cables,co-ax wire,telephone wire,network & data cables during renovation; Suitable for wood,drywall & metal surfaces.