Havel"s Inc Seam Rippers/Buttonhole Cutters make everything easier! These blades have a surgical sharpness! Read Cautions on the back of each package before use. Ultra-Pro II Seam Ripper Buttonhole Cutter- Here is a must have tool for your sewing basket! This 2 tools in 1 seam ripper is also a buttonhole cutter at a moment"s notice! Blades are easy to change on this screw lock handle and can be stored in a foil package when not in use. Includes 1 handle, 4 seam ripper blades and 2 buttonhole cutter blades. Approximately 5-1/2 inches long.