Hansen Global: a leader in tool organization! Quality American Made Products!INCLUDES BOTH TRAYS Red (SAE) & GREY (METRIC)Want More Hansen Tool Organization? All Our Tools MADE IN USA!Details & Sizes:Metric Trays are Grey, SAE are REDWrench Trays Sizes (x2):Note listed sizes are correct, photos show different sizes.Metric: 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7mmSAE: 1, 15/16, 7/8, 13/16, 3/4, 11/16, 5/8, 9/16, 1/2, 7/16, 3/8, 5/16, 1/4”