Rules

The Faithfull Prestige Tri-Scale Engineer and Architect Rules are commonly used to convert ratios with scales when making precision drawings. This ...

This Faithfull Rule is made from 50mm wide anodised aluminium, and is clearly graduated on both edges. It also features a handy Metric / Imperial c...

The Faithfull Prestige Tri-Scale Engineer and Architect Rules are commonly used to convert ratios with scales when making precision drawings. This ...

The BlueSpot anodised aluminium rule with metric and imperial graduations. It features an exchange formula bar in the centre.Size: 300mm (12in)

The BlueSpot anodised aluminium rule with metric and imperial graduations. It features an exchange formula bar in the centre.Size: 600mm (24in)

The BlueSpot anodised aluminium rule with metric and imperial graduations. It features an exchange formula bar in the centre.Size: 150mm (6in)