Packaging: the box can be used as a drill bit stand. Tool Accessory Type: drill bits. Drilling diameter: 2mm, 1.5mm, 1mm, 3mm, 5mm, 8mm, 10mm, 4mm, 6mm, 2.5mm, 3.5mm, 7.5mm, 7mm, 8.5mm, 9mm, 6.5mm, 5.5mm, 9.5mm, 4.5mm. Batch quantity: 19. Conditioning: the box can be used as a drill bit stand