Kai professional shears are made of high-carbon stainless steel. They have a extra-long edge life and superior cutting efficiency. Designed for professional use, these tailoring style shears are ideal for perfect pattern cutting. Excellent on all types of fabrics including: Cottons, acrylics, polyesters, canvas, leather, upholstery fabrics and drapery. Smooth cutting action and super sharp blades make these the sharpest fabric scissors available. Sizes range from 8 to 12 inches in length.