The product is a set of two Wheaton glass 30mL Potter-Elvehjem tissue grinders with smooth pestles. Made in the United States, these grinders are designed for use in biological laboratories. With a durable and reputable brand like Wheaton, these lab glassware items are essential for processing tissue samples and integrating them into scientific research or medical studies. The smooth pestles ensure easy and efficient grinding while maintaining the integrity of the samples being analyzed. Ideal for professionals in various scientific disciplines, these grinders are a reliable addition to any laboratory setting.