X-ACTO X3000 Rubber-Barrel Hobby Knife, (3) #11 Blades, 4.5" Aluminum/Rubber Handle, Black - Make the cut. Contoured, easy-grip, knurled-texture barrel helps enhance precision. Handy release mechanism simplifies blade changes. In-handle blade storage compartment accommodates up to five extra blades. Includes a clear-plastic safety cap.