Close existing threads to secure unused ports for future use. This range fits a variety of Metirc and PG thread sizes and can be applied for plugging threads in panels from 12mm to 63mm in diameter. Standard Colours : Light grey RAL 7035, dark grey RAL 7001, black RAL 9005. Optional : White RAL 9010 and red RAL 3000. Additional colours are available on request. Material PS (durable polystyrene) and PA 6 (impact restistant nylon) depending on sizes (see table).