Ultima 5.5" Razor Sharp Surgical Seam Rippers/Seam Cutters (4 Pack) 4 piece pack of 5.5 inch deluxe razor sharp surgical steel seam rippers/cutters Durable plastic 5.5" handle and safety blade cover Razor sharp curve glides through surged stitches Cuts multiple stitches at once Gentler on regular seams than conventional seam rippers