The Baile Auto Z Mechanical Pencil Set includes 12 black and 12 colour leads, all housed in hard cases for easy storage and transport. The pencils have a large lead size and are designed with a 2B hardness level, making them ideal for precise and detailed drawings. The set includes both multicoloured and single colour options, allowing artists to easily switch between different shades and tones. Made from durable plastic, these pencils are perfect for crafting and art projects, providing a reliable and high-quality tool for artists of all skill levels.