3.5–4 Inch Blade Knives

3.5 to 4 inch blade knives offer full-size everyday carry performance with added cutting edge and reach. This size range is ideal for buyers who want a more substantial knife for work use, outdoor carry, or heavier day-to-day tasks.

Our selection includes larger folding knives and utility-focused designs built for dependable performance. You can also compare sizes by browsing 3–3.5 inch blade knives or stepping up to 4+ inch knives for outdoor and heavy-duty use.