This Is The Excel No 11 Super Sharp Edge Knife Blades (5pcs) 20011
Excel 20011 5pc No 11 Double Honed Carbon Steel Angled Knife Blades. Straight edge for trimming wood, plastic, and paper.
Size: 1 9/16 x 1/4 x 1 inch Edge.
Fits 1/4 inch Type A X-ACTO or Excel Handles.