A choice of flat scale rules made by Linex of Denmark. Each rule has four bevels, is precision divided and made from tough matt white ABS plastic.
Each rule is 300mm long, 35mm wide and 3mm thick. The divisions are as follows:
Rule 432: 1:1:2:5:10
Rule 433: 1:1:5:10:20:50:100:200:500
Rule 434: 1:1:20:25:50:100:200:250:500
Rule 435: 1:1:125:250:400:800:1250
:2500:4000:8000