Staedtler Mars Professional 12"L Architect Scale (98718-31BK)
- Triangular scale is perfect for architects
- Open divided: 3/32", 1/8", 3/16", 1/4", 3/8", 1/2", 3/4", 1", 1 1/2" and 3" = 1'
- Full divided: inches to 16ths
- Professional series with color-coded grooves to provide quick as well as accurate selection of the desired scale
- Offers three sides with six different scales that feature die-engraved graduations
- Made of high-impact polystyrene plastic in white