The X-ACTO #5 Heavy Duty Plastic Knife is a durable, hardworking knife that can stand up to some of the toughest tasks. The heavy duty knife handle is compatible with X-ACTO #2, 15, 18, 19, 22, 23, 24, 25, 26, and 28 blades as well as the router assortment and saw blades. The #5 Heavy Duty Plastic Knife Handle comes packaged with the X-ACTO #19 Angled Wood Chisel Blade. X-ACTO knives are the preferred cutting tool for a wide variety of professionals and hobbyists alike. Designers and artists love the X-ACTO knife"s ability to produce careful and meticulous cuts with consistency, while engineers praise the knife"s durable design and reliability. X-ACTO knives can make precise cuts through a variety of different craft materials: All grades of paper, Mat board, Foam board, Delicate fabrics, Sheet metal, Plastic And more