The Moore and Wright ER424 is a high quality 600mm / 24" engineers rule, correctly tempered and standard at 20 degrees C with anti-glare finish and permanently etched markings. Imperial on one side (24" in 10ths, 20ths, 50ths and 100ths as well as 16ths, 32nds and 64ths) Metric on the other (600mm in mm and 0.5mm).
- D end with hanging hole
- 600mm / 24"
- Imperial / Metric
