Description:The drill bits set adopts high quality metal material, tough and durable to use. All finishes are non-toxic, safe and Eco-friendly. Different kinds of bits can satisfy your different demands. Features: Made of high quality metal material, tough and durable. All finishes are non-toxic, safe and Eco-friendly. Different kinds of bits can satisfy your different demands. Easily switch between bits in seconds! Comes with a plastic storage box, easy to carry anywhere and anytime. Specification: Color: Assorted color Material: MetalSize of storage box: 19.5 x 7.5 x 4.5cm / 7.68 x 2.95 x 1.77inch(Approx.) Package List: 16 x Batch heads 2 x Drill bits 1 x Connecting arm 1 x Hex wrench 1 x Storage box Notice: Item color may show slight aberration due to different shooting light and monitor display. Be careful some of them are sharp, keep them away from the children.