Parallel slots for precision markings from 1/4 inch to 3-3/8 inch
Measure and mark exact location of buttons, buttonholes, pockets, etc.
Measure straight of grain from fabric selvages
Measure and mark spacing for pleats and tucks
Mark guide lines for decorative stitching
Use to guide tracing wheel and pencil markings; Simplify pattern alterations
Measure and mark bias strips