OLFA 25mm 1-Blade Retractable Utility Knife (Snap-Off Blade) in the Utility Knives department at Lowes.com
Olfa® Self-Retracting Safety Knife With Snap Off Blades | Michaels
Amazon.com: The maximum sharpness/Made in Japan/OLFA 9mm Stainless Steel Auto-Lock Graphics Utility Knife & 9mm Snap-Off Art Blade, 10-Pack Value Set (with our shop original description of goods) : Tools & Home