Eklind 10609 9pc Metric Long Hex-L Key Set (1.5mm to 10mm). This sets come in compact molded plastic marked holes. Key holders are color-coded, red for inch sizes and blue for metric sizes. Sizes: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, and 10mm. Note: Picture shows both SAE and Metric Sets.