Amazon.com: Sculpey Tools Clay Blades, 3 blades included - flexible, wavy and rigid blade, polymer oven-bake clay tool, great for all skill levels and craft projects
Tajima Scrape-Rite P Replacement Hard Rigid Blade 80mm | Scraper Blades
Wolff 14" Turbo Rigid Blade | Tools4Flooring.com
FISCHER Sandvik Boning Knife with rigid blade 13cm