Code : SPO series, M1.4, M1.6, M1.7, M1.8, M2, M2.3, M2.5, M2.6, M3, M4, M5, M6, M7, M8, M8, M10, M10, M10, M12, M12, M12, M14, M14, M16, M16, M18, M18, M20, M20
Brand : Eisen
Eisen One-way Thread Gauge SPO series
SPO series, M1.4, M1.6, M1.7, M1.8, M2, M2.3, M2.5, M2.6, M3, M4, M5, M6, M7, M8, M8, M10, M10, M10, M12, M12, M12, M14, M14, M16, M16, M18, M18, M20, M20
