Features: 100% brand new and high quality Made of high-quality metal materials, practical and durable. Our drill bit set with box, to keep all components organized and allow for easy using. Variety of drill bits set for wood, metal, concrete, masonry drilling as well as multiple driving and fastening applications. All-in-one drill bit set, Ideal for DIY projects and household maintenance and repair. Convenient and effective drill bits for effective drilling that achieves precision and prevents walking. Package Includes: 300x/Set Drill Bits Specifications: Material: Metal Package Size: approx 24X19X4cm/9.45x7.48x1.57 inches note: 1.Please allow 1-3cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.