Cylinders are made of sturdy borosilicate glass

Designed from ASTM Specification E1272, Style 1, Class B requirements.

A clear, reverse image in the single metric scale is highlighted against a ruby red stripe. The 10mL cylinder has an enlarged funnel-shaped top for ease of filling. Cylinders 25mL and larger are supplied with SAFE-GARD® bumpers, which are sturdy split rings made of yellow low-density polyethylene.