https://makezine.com/parts/x-acto-knife/
X-Acto knife Archives - Make: DIY Projects and Ideas for Makers
x acto knifeprojects and ideasarchivesmake
https://makezine.com/tools/x-acto-knife-or-razor-blade/
X-Acto knife or razor blade Archives - Make: DIY Projects and Ideas for Makers
x acto knife
https://www.dickblick.com/products/x-acto-9-retractable-knife/
X-Acto #9 Retractable Knife | BLICK Art Materials
Similar in appearance to a pen, this handy knife features a razor-sharp cutting blade that retracts when not in use. Use it for making precise cuts through...
x actoretractable knifeblick art9materials