Components: ELISA 1X Assay/Sample Diluent Buffer A (Item D1); ELISA 5X Assay/Sample Diluent Buffer B (Item E1); HRP-Streptavidin (Item G); ELISA Stop Solution (Item I); Human TIMP-1 Antibody-coated ELISA Plate (Item A); Biotinylated Human TIMP-1 Detection Antibody (Item F); Lyophilized Human TIMP-1 Protein Standard (Item C); ELISA Colorimetric TMB Reagent (HRP Substrate, Item H); 20X Wash Buffer (Item B)