[Features] - Uses materials with excellent water resistance, durability, and impact resistance. ●Magnets fix display boards together. Even if you drop it, the display will not change. ●Various valves that need switching between opening and closing
[Use] ●For piping valves in factories and buildings.
【specification】 - Vertical (mm): 50 - Width (mm): 50 - Thickness (mm): 1 - Color (open): red - Color (closed): blue