Description: 【Package Including】: You will achieve 20 empty drill bit cases, ONLY storage cases, NOT including drill bit 【Premium Material】: The drill bit holders are made of premium plastic material, lightweight, wear resistant, sturdy, not easy to break, and ensures a long time to use 【Protection Box】: The dustproof grinding head storage boxes can protect your drill bit from dust, wear and damage, keeping your drill bit organized, and not easy to lose 【Easy to Find】: The drill bit containers feature a visible transparent body design, easy to find the required drill bit accurately and quickly, suitable for home use and nail salon use 【Portable and Conveneint】: Compact and portable manicure drill bit containers, easy to store and carry, easy to put and access Specification: Material: Plastic Size Chart: 7 cm x 13 cm/2.76 inch x 5.12 inch Package Includes: 20 Drill Bit Cases (4 Pack) Note: Please allow slightly errors 1-2cm differences due to manual measurement.