Heavy-duty borosilicate 3.3 glass construction.
Each cylinder meets ASTM Class B tolerances for precision and are individually calibrated to contain.
Large, white single scale in 1.0 mL graduations.
One-piece glass construction with molded hexagonal base and plastic bumper guard.
Superior chemical durability and heat tolerance. Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use.