Description: 【Iron material】: Drill Head Case is made of solid iron material, which is Sturdy and has strong load bearing capacity. It is suitable for long term use and protects the drill head from being squeezed 【Drill Head storage box】: Drill Heads Index Box only includes a storage box, without drill heads. Users can place various drill heads according to their needs 【Scale marking】: Organizer, each size of drill head slot has corresponding scale markings, which is convenient for quickly finding the required drill head and improving the efficiency of use 【Drill Head protection】: Drill Head Case has a reasonable design and can effectively protect the drill head from wear and damage 【Easy to store and carry】: Drill Heads Index Box has a compact design, which is easy to store and carry, suitable for tool box storage and convenient to use at any time Specification: Material: Iron Size Chart:11cmx15cmx3cm/4.33inchx5.91inchx1.18inch(For 19 Bits) Package Includes: 1 Drill Head Case Note: Please allow slightly errors 1-2cm differences due to manual measurement.