The X-ACTO No. 4 Stencil Knife is a stenciler’s dream. Whether you are a professional stencil designer or working on a school project, this stencil knife will deliver. The ¼” diameter aluminum handle provides the right grip for the artistic control that you need for your stenciling projects. Each stencil knife set includes our 5” (length) professional stencil knife and 5 – #4 replacement blades.