Available in two convenient sizes: 2.5 x 13.25 in (6.4 x 33.7 cm) and 4.75 x 13.25 in.(12.1 x 33.7 cm) Inclined trough shape at 33° angle for cleansing, drying and storage of pipets Riveted aluminum with smooth corners and edges Can withstand indefinite hot air or steam sterilization Made from ASTM standard (899-94) stainless steel