Jakar Plastic Cutting Knife Auto-Lock 95p, free delivery: Cass Art
95p delivered for this handy tool, use code FREEPOST to save £3.95 delivery cost.
This Jakar Large Cutting Knife with snap-off blades is a plastic knife containing a blade with 13 snap-off points, so you've always got quick and easy access to a sharp new cutting edge.
The extending blade makes this perfect for cutting thick materials such as foamboard.
When you do need to replace the blade, it's easy to do and replacements are available separately.