Excel Blades - #17A Narrow Chisel Replacement Blade Made from carbon steel Available in packs of 5 100 Used for: remove layers shape materials and light chiseling Small chisel blade gives you the ultimate precision that allows you to make a more skillful cut than your traditional chisel blade This versatile replacement blade fits with all standard light and medium duty xacto style knives Used with matte board linoleum foam core plastic cardboard plaster cast cork metal stone wood balsa wood rubber wax clay and more Used for: model making paper cutting cake decorating and polymer clay. Used by graphic artists architects clay artists wood carvers designers hobbyists scrapbook artists and crafters. Fits with: K1 K3 K17 K18 K26 K30 & K71 handles L – 1.790/ H – 0.405 / E - 0.230/ S – 0.250/ T – 0.020 Made in the USA