●[Upgraded Wall Reinforcement] This porous insulation nail spacer is ideal for reinforcing plaster walls and repairing ceilings, providing reliable support and improving stability. ●[Size] Plaster wall repair discs 25mm outer diameter, 4mm inner diameter, suitable for professional construction projects, DIY repairs and DIY tasks. ●[Practical Function] The plaster discs can be used to attach the plaster to the slatte, which can avoid sagging and cracking to keep your wall and ceiling in good condition. ●[Material] Made of galvanised carbon steel, which is corrosion resistant, strong and durable. ●[Package] The package contains 200 porous insulation nail spacers.