Faithfull FAIRULETACNC Prestige Tri-Scale Architect Rule Black Aluminium 300mm (12in)

Commonly used to convert ratios with scales when making precision drawings. Features 6 scales with colour-coded inserts. CNC-machined and laser-engraved for accuracy. Black anodised finish for enhanced corrosion protection. Triangular profile keeps fingers away from knife blades when used for cutting or scoring card. Aluminium Blade Metric Scales Class 2 Scales: 1:5, 1:10, 1:50, 1:100, 1:200 & 1:500 - Manufacturers part number: 578RK