The Advent ASR Precision Steel Rule is made from stainless steel with permanent etched graduations.
One side of the rule has metric markings and the other side has imperial markings.
Class 2 Accurate.
Advent ASR 1000 Precision Steel Rule has the following specification: Length: 1000mm / 1mAdditional Information:• Length: 1000mm/39in• Scale: Metric & Imperial