This tube meets API Manual of Petroleum Measurement's Chapter 10.4 specifications. It has etched graduations 0 to0.5 ml in 0.05ml, 0.5 to 2 ml in 0.1 ml, 2 to 3 ml in 0.2 ml, 3 to 5 ml in 0.5 ml, 5 to 10 ml in 1 ml, 10 to 25 ml in 5 ml, and at 50 and 100 ml. Each tube has a serial number. A chart explaining how to read this tube is posted in the "Instruction" section of this website. Sold individually. The shipping weight for 12 tubes is 4 pounds. Quantity discounts may apply.
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