•Pro 12" 300mm Triangular Aluminum Ruler Tri-Scale Metal Ruler Architect Engineer.
•Tri-Sided 12" (300mm) Scale Ruler
•Cast Aluminium Scale Rule with Triangular Body.
•Allows For Safer Cutting & Scoring.
•Concave Base Reduces Smudging.
•1:20, 1:25, 1:50, 1:100 And 1:125
•Product images are for guideline purposes only and actual product specification may differ slightly from that shown.