X-ACTO X2006W24 Designer Series Decorative Metal Ruler, 12-Inch Perfect ruler for all your paper crafting needs Works well with the X-ACTO Designer Series Craft Knife Stainless steel construction Won't get nicked by cutting blade This is an aftermarket of generic part Perfect ruler for all your paper crafting needs Works well with the X-ACTO Designer Series Craft Knife Stainless steel construction Won't get nicked by cutting blade