Schaedler Precision Rule 12" Double Pack

This set includes both the Single A (Standard Inch) and Single B (Decimal Inch) rules.

Single A:
This rule shows Standard Inches in increments of 64ths of an inch photographically printed along its top edge. Metric Millimeters & Centimeters, in half-mm markings, are printed along the 30 cm bottom edge.Printer’s Points & Picas are placed down the center.

Single B:
This rule shows the Decimal Inch in increments of 100ths instead of 64ths of an inch. DeskTop Publishing Points and Picas have been placed on the other edge, and an Agate Line scale runs down the center space of this rule.