The clear french curve ruler is a versatile and essential tool for beginners tailors and designers. uxcell 42cm Clear French Comma Shaped Curve Ruler for Pattern Making Sewing Drawing. With its unique comma-shaped design this ruler offers precise measurements and convenient curve options for pattern making sewing and drawing. Specifications: Product Name: French Curve Ruler Color: Clear Pink Scale: 42cm/16.5 Net Weight: 21g/0.7oz Size: 30 x 10.8cm/11.8 x 4.25 (L*Max.W)