Brand new and high quality. Material: high speed steel. Color: gold. Shank diameter: 2.35mm. Bits size: 0.8mm, 1mm, 1.2mm, 1.3mm, 1.5mm, 1.6mm, 1.8mm, 2.0mm. It is perfect for DIY carving enthusiasts to make unique and delicate amber, olives, beads and any other wood products. Package Including: 1X twist drill bits. Note: Please allow 1-3mm error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.