The basics X-ACTO #11 Classic Fine Point Blades are perfect for elaborate, detailed cutting.  The benefits X-ACTO knife blades are crafted with sharpened carbon steel for a reliable cut and a strong blade. The uses Use X-ACTO #11 Classic Fine Point Blades to cut a large variety of medium and lightweight materials like Paper, Plastic, Soft woods and more.  The bottom line These blades will fit the X-ACTO handle styles: #1 Precision, X2000, Gripster, Cut-All, and #3 Precision Pen.