The Stone Standard Tattoo Plier is a strong, lightweight aluminum alloy tool designed for reliable animal permanent identification. Sized for 3/8 in digits, it features an easy-change system that prevents digits from being inserted upside down. This tattoo plier is the tool only and comes without positive ear release, making it straightforward for experienced handlers. A durable choice for farm equipment kits and livestock identification programs for cattle, goats, sheep, pigs, and rabbits.