Rule for patchwork graduated in inch. Dimensions: 9.5 x 9.5 INCH (24.13 cm x 24.13 cm). Right and left -wing and resistant left -wing guaranteeing a safe tracing of the rotary knife. Precise marqual by computerized printing at the laser back The rule. Employment for supplies, biases, equilateral triangle, hexagons, etc. Including angles of 30 °, 45 ° and 60 °.