TAP & THREAD REPAIR SET 131 PIECE METRICTHREAD SIZES BETWEEN 5MM AND 12MM METRICTAPS,THREADS,INSTALING TOOLS. METAL CASEMetric Tap and Thread Repair Set (131 Piece) features a comprehensive collection of metric taps, threads, and installing tools for sizes ranging from 5mm to 12mm. The set is housed in a metal case for convenient storage and transportation.