Folding utility knives
1.Stainless steel housing by MIM technology
2.Hardened aluminum handle
3.Soft-touch TPR grip
4.Safety lock-back system
5.Quick change blade mechanism

Folding Knife (often called a Pocket Knife or EDC Knife)
Definition: A folding knife is a knife with a blade that pivots into the handle for safe and compact carrying. They come in a vast array of shapes, sizes, and blade types.

Key FEATUREs:

Integrated Blade: The blade is usually a single, non-replaceable piece, designed to be sharpened when it dulls.
Blade Shapes: Can have many different blade profiles (e.g., drop point, clip point, tanto, sheepsfoot) suited for various tasks like piercing, slicing, or intricate cutting.
Materials: Handles can be made from a wide range of materials, including steel, aluminum, G10, carbon fibre, wood, and various plastics, offering different levels of grip, durability, and aesthetics.
Opening Mechanisms: Can be manual (requiring two hands or a thumb stud/flipper), assisted opening, or automatic.
Locking Mechanisms: Most modern folding knives have a locking mechanism (liner lock, frame lock, back lock, axis lock, etc.) to hold the blade securely open during use for safety.
Primary Use:
Everyday Carry (EDC): Opening packages, cutting string/rope, light food prep, general small cutting tasks around the house or office.
Outdoor Activities: Camping, hiking, fishing (e.g., cutting fishing line, preparing tinder, light carving).
Self-Defense (though less common and specialized): Some are designed with defensive applications in mind.
Specialized Tasks: Hunting (skinning, butchering), gardening (pruning), some trades (e.g., electrician's knife).
Pros:

Versatile for a wide range of general tasks.
Often more aesthetically pleasing or collectible.
Can be sharpened repeatedly, reducing waste.
Many designs are compact and discreet for pocket carry.
Cons:

Blade dulls over time and requires sharpening.
Not ideal for extremely rough or dirty work where the blade might be damaged beyond easy repair.
Replacement of the entire blade is usually not an option.

Utility knives
1.Hardened zinc housing
2.Blade self-loaded system
3.Quick release blade mechanism
4.Easy-change blade cartridge

Utility Knife (often called a Box Cutter, Stanley Knife, or Razor Knife)
often featuring a disposable and replaceable blade.

Key Characteristics:

Replaceable Blades: This is the defining feature. They use standardized, inexpensive, razor-sharp blades (often trapezoidal, hooked, or snap-off segments) that can be easily replaced when dull or damaged.
Blade Types: Usually straight-edged razor blades, sometimes with hook shapes for specific materials like roofing felt or carpet. Snap-off blades allow you to break off dull segments for a fresh edge.
Construction: Handles are typically robust, made from metal (aluminum, zinc alloy) or durable plastics, designed for a strong grip and to withstand abuse.
Opening/Retention: Can be fixed blade, retractable (blade slides in and out of the handle), or folding. Folding utility knives are a popular sub-category, combining the ease of carry with the utility blade.
Primary Use:
Heavy-Duty Cutting: Cardboard, carpet, linoleum, drywall, roofing materials, plastic sheeting, insulation, strapping, twine.
Construction & Trades: Electricians, plumbers, drywallers, carpenters.
Warehouse & Retail: Opening boxes, breaking down packaging.
Scraping: Removing paint, glue, caulk.
Pros:

Always a razor-sharp edge due to replaceable blades.
Ideal for tough, dirty, or abrasive materials that would quickly ruin a traditional knife blade.
Blades are inexpensive and easily swapped out.
No need for sharpening.
Cons:

Blades are extremely sharp and can be dangerous if not handled properly.
Less versatile for precision, intricate tasks, or food preparation compared to a fine-edged folding knife.
Disposable blades contribute to waste.
Blade retention systems can sometimes lead to slight blade play compared to a solid, fixed blade or a tightly locked folding knife.
The Overlap: "Folding Utility Knife"
The term "folding utility knife" specifically refers to a utility knife that has a folding mechanism for compactness and safety. It combines the benefits of a replaceable razor blade with the portability of a folding design. So, while a folding knife is a broad category, a folding utility knife is a specific type of utility knife.