Ernst Manufacturing products are 100% made in the USA. They supply innovative, high quality storage products to some of the leading names in the tool industry. This Ernst organizer tray provides massive storage in a compact space and holds a wide range of screwdriver and socket bits. Unique design holds small bits upright on one side and holds mid to long bits sideway on the other side so everything fits in the drawer. Upright bits are secured with a taper lock fit allowing a good fit for a wide range of tools. Will hold 3 3/8" drive chucks in specially designed holes. This portable organiser is great for transportation and will securely hold tools. Conquer the cluttered mess in your toolbox with the Bit Boss®. Black Fits up to 90 bits Tools are visible and easy to access  Secure fit Accommodates a wide variety of bit tools Specially designed holes hold (3) ⅜” drive chucks 375x95x25mm Patent US 10,449,665