Excel 20015 - 5pc Narrow Keyhole Saw Knife Blade - For smooth cutting of wood, plastic and foam in narrow areas. Size 2 1/2 x 3/8 x 2 inch edge. Fits 3/8 inch X-ACTO No 2, Type c, and Type D handles, as well as Excel K2, K5, K6, and K7 Handles. Made in USA. Excel does not offer this item in larger packages.