Watch Glass – 4″ Diameter, Superior Quality (Per Dozen)

The Watch Glass is a 4-inch diameter glass disc made from superior quality glass. These watch glasses are ideal for use in laboratories for evaporating small quantities of liquid, covering beakers, or serving as a surface for weighing. Known for their durability and resistance to thermal shock, these watch glasses are perfect for a wide range of laboratory tasks, making them a staple in educational, research, and industrial environments