This is a collection of broken or short solid carbide end mills. They cannot be used as cutting tools, but can be widely utilized as a solid carbide material for recycling, crafting, and handmade projects. If needed, there are some end mills that can still be used. Weight: Approximately 10kg (please check the scale in the photos) Condition: Everything shown in the photos is included. Solid carbide is extremely hard and is also popular as a recycling material, for accessory making, and as a research material. Recommended for those looking for this. Thank you for viewing.