Specifications: This product is designed to store nail drill bits. Firm and flat PP base, wont slip easily. If you always look for those tiny bits, you definitely need this organizer. The storage stand totally include 100 holes, can be used to store many nail drill bits. Drill bit storage case can make nail drill bits look tidy and orderly, is safe and convenient to use. Item Name: Drill Bit Storage Case Material: PP Number of Holes: 100 91 Holes: 1mm-10mm (Difference 0.1mm) Other Holes: 10.5mm, 10.8mm, 11.0mm, 11.5mm, 11.8mm, 12.0mm, 12.5mm, 12.8mm, 13.0mm. Features: Storage Tool, Easy to Use, Convenient Size: 17.5cm x 17.5cm x 8cm/6.89" x 6.89" x 3.15" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. In order to facilitate the insertion and removal, the actual hole size will be slightly larger than the marked size, and the corresponding drill bit will be slightly shaken when inserted! Package Includes: 1 x Drill Bit Storage Case (Others not Included)