Meet Class A accuracy requirements of ASTM Standard E1272. 

 

Each cylinder has its own unique serial number fused into the glass.

 

Supplied with certificate stating graduation accuracy. 

 

With a hexagonal base flat ground for stability. Bumper guards on sizes 25 through 2000 ml offer an additional measure of safety, absorbing the impact should cylinders be accidentally knocked over.

 

The 10 ml size has an enlarged funnel-shaped top for ease of filling. With durable white graduations.