Holds 118 most popular metric bits. From 1.0mm to 13.0mm. Sizes include: 1.00 mm to 2.50mm by .05mm, 2.6mm to 10.0mm by .1mm, 10.2mm, 10.5mm, 10.8mm, 11.0mm, 11.2mm, 11.5mm, 11.8mm, 12.0mm, 12.2mm, 12.5mm, 12.8mm, and 13.0mm. U.S. decimal equivalents are also given for each size drill. Each storage hole is precisely sized for accurate, quick tool selection. Corrosion-resistant, epoxy baked-on coating. Secure, snap-lock steel cover. Rugged, heavy gauge all–steel case.