The Olfa NH-1 is a 25 mm extra-heavy-duty utility knife built for demanding cutting jobs. Its cushioned rubber grip helps with control, while the stainless-steel blade channel and ratchet-lock mechanism keep the blade positioned securely. It comes preloaded with a 25 mm HBB black snap blade and accepts Olfa 25 mm blades made for this platform. It is suited to construction, remodeling, and roofing tasks. Blade changes are tool-free.
Compatibility
Olfa 25 mm blades
HB blade
HBB blade
HH blade
HSW blade
Frequently asked questions
What is this knife used for?
It is used for demanding cutting tasks such as cardboard, wrap, plastics, and other jobsite materials. The design focuses on control and blade stability.
What is included?
The knife ships with one preloaded 25 mm HBB black snap blade. Blade changes are tool-free.
Which blades does it accept?
Olfa says this model accepts 25 mm Olfa blades, including HB, HBB, HH, and HSW blades.