This cordless sharpener is a game-changer! It easily adjusts to sharpen tungsten in various sizes making it perfect for any industrial task .The portable design allows for maximum freedom and convenience. The sharpener itself is sturdy and DURABLE, ensuring long-lasting use. However, it would be even better if it included a longer battery life for extended operation. Overall, a must-have for industrial and scientific professionals requiring precise tungsten sharpening..