Nail Drill Bits Holder: There are 30 slots, it can be used to store many nail drill bits,such as 3/32'' carbide nail drill bits, ceramic nail drill bit, and e-file nail drill bits and so on. Upgrade Material : Nail drill bit holder made of high quality material, which is safe, non-toxic, environmental and durable. for long time use. Portable & Space Saving : These nail drill grinding heads can be placed on the box neatly, which can be clear to see and convenient to take.Make nail drill bits look tidy and orderly. Moisture-Proof and Dust-Proof: Nail drill bit holder box, great to store and take your acrylic nail drill bits, preventing it becoming dirty and losing. Extend the life of the drill bit. (Not Include Drill Bits)include 30 holes - can be used to store many nail drill bits, such as 3/32'' carbide drill bits, ceramic nail file bit.