Red End® Modular Spacing Rulers

  • 2 courses in 16" space (for concrete blocks and glass blocks)
  • 3 courses in 16" space (For facing tile)
  • 4 courses in 16" space ( for Roan brick). Scales include mortar space and spacing for 6" and 12" blocks
  • All sections have square ends
  • Every joint opens on even number
  • Inside marked with 6 scales in a 16" module. The scales are as follows
  • Outside is graduated on both edges to 1/16ths
  • The first end section is a short section which permits butting the rule on the first 16" module
    • Availability: Typically ships in 3-5 days
    Availability: Typically ships in 3-5 days
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    RUGGED RULE 646R
    ORS Nasco - ORS
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