Your ultimate tool for cutting half-square and quarter-square triangle units, plus basic squares up to 6.5″.

Eliminate the tedious math associated with traditional half-square and quarter-square triangle units.

• Unique non-slip coating for accrate cutting.
• For up to 6″ finished half-square and quarter-square units
• For accurate 1/2 and 1/4 square triangle units
• Markings in 1/4″, 1/2″. and 1″ increments
• Clearly marked 45 degree and 90 degree angles