These 3D printed bit holders are inserts for Dewalt Medium Tough Cases (DWAN 2190). The cases are not included. The upright design saves you so much space and gives you much more freedom in your layout design. This holder can hold up to 432 precision (4mm) bits. Available in a wide variety of colors. The bits fit snug enough to be secure but not tight enough to make removal difficult. Makes a great gift for makers, handymen, and dads. Feel free to ask for customization. I will work with you to get exactly what you are looking for. Colors may not match the product delivered due to supplier constraints. Feel free to request specific colors if necessary. This product is a 3D Printed part and may contain minor defects that will not affect use.