SOLID EXTRUDED ALUMINUM CONSTRUCTION - NO FLEX or WARPING - Lies Perfectly Flat on the Drawing Surface.Triangular Body Design for Safer Cutting and Scoring of Materials
LASER ETCHED IMPERIAL SCALES - 16, 1, 1/2, 1/8, 1/4, 3/32, 3/16, 3/8, 3/4, 1 1/2, 3. For Professional Applications, Architecture, Engineering, Drafting and Technical Illustration
BLACK ANODIZED FINISH -Will Never Fade or Rub Off - LIFETIME GUARANTEE!
3-SIDED TRIANGLE SCALE RULER -Concave Base Reduces Smearing when Drawing
PRECISION SCALE INCREMENTS -Never Fade or Rub off Easy-to-Read Laser Etched Increments.