Olfa X Design Heavy Duty Auto-Lock Cutter / Utility Knife 18mm - Hwebber Hwebber
DART Metal Snap Off Knife 18mm
Olfa Japanese Steel Snap Off 18mm Knife & Blades – Paintshack Ltd
Fit For The Job 18mm Lightweight Retractable Snap Off Blade Utility Knife with Multi Position Push Button Adjust for DIY, Home and Arts & Crafts with 7 Stainless Steel Snap Off Sections :
STANLEY® FATMAX® 18mm Snap-Off Knife with Wheel Lock - Tools, Workwear & PPE from Beatsons Direct. UK
CPK18 Heavy Duty 18mm Snap Off Blade Knife - Polypostalpackaging.com
STANLEY® FatMax® Snap-Off Knife with Slide Lock 18mm only £13.03