One step syphilis test is a rapid direct binding screening tester for the presence of antibodies to syphilis. Features: 1) TP C20-12: A) Type: Strip B) Specimen: Serum/plasma C) Package: 1pc x 100/kit D) Specification: 3.0mm E) Sensitivity: 2NCU/ml F) Specificity: >99% 2) TP C20-13: A) Type: Strip B) Specimen: Serum/plasma C) Package: 1pc x 100/kit D) Specification: 4.0mm E) Sensitivity: 2NCU/ml F) Specificity: >99% 4) TP: C20-20 A) Type: Cassette B) Specimen: Serum/plasma C) Package: 1pc x 40/kit D) Specification: 3.5mm E) Sensitivity: 2NCU/ml F) Specificity: >99%