12" 300mm Aluminium Tri Scale Ruler Engineers Architects Technical Drawing Rule


  • Aluminium construction
  • Scale includes: 1:20, 1:25, 1:50: 1:75, 1:100 and 1:125
  • Ideal for engineers, technical drawing and architects
  • Approx size 12" (300mm)


  • Quick dispatch

  • Trusted Seller