(1pcs)20mm x 1 Metric HSS Tap M20 x 1 mm left hand reverse wire taps,1 mm left hand reverse wire taps (1pcs)20mm x 1 Metric HSS Tap M20 x, {{aboutus}}, {{titleaboutus}},High quality, x 1 mm left hand reverse wire taps (1pcs)20mm x 1 Metric HSS Tap M20.