This chain breaker is a must-have for anyone in the industrial and scientific field. It's reliable and effective in breaking chains at any link size, saving valuable time in repairs. The durable construction ensures long-lasting use, and the compact size makes it easy to store in a toolbox or bag .The only downside is that it may take some practice to get the hang of using it correctly but once mastered, it's a game-changer. Overall, highly recommended for any chain maintenance needs..