Spyderco Police 4 K390 Folding Knife

Type: Folding Knife
Manufacturer: Spyderco
Model: C07FP4K390
Overall Length: 9.97" (253mm)
Blade Length: 4.38" (111mm)
Steel: K390
Closed Length: 5.64" (143mm)
Edge Length: 3.97" (101mm)
Weight: 4.2oz (119g)
Blade Thickness: 0.118" (3.0mm)
Handle: FRN
Clip Position: Ambi
Tip Carry Position: 4-position
Lock Type: Back Lock
Grind: Full-Flat
Sheath: N/A
Origin: Japan

The Police 4 Folding Knife is the largest member of Spyderco's select family of lightweight knives featuring K390 MICROCLEAN tool steel blades. Designed for extreme cutting challenges, the Police 4 Folding Knife combines the toughness and superior edge-holding characteristics of K390 with all the proven qualities of this highly refined design.

Key features include the low-friction edge geometry of a full-flat-ground, PlainEdge blade, a fully accessible Trademark Round Hole, a high-strength back lock mechanism, and a four-position pocket clip. Whether you are a collector or a user in need of a reliable tool, the Police 4 Folding Knife is sure to meet your demands.

Pros:

• K390 MICROCLEAN tool steel offers exceptional toughness and edge retention, making it ideal for demanding cutting tasks.
• Four-position pocket clip and ambidextrous design allow for flexible and comfortable carry.
• FRN handle provides strength without adding unnecessary weight, making it practical for extended use.
• Full-flat grind ensures low friction and superior cutting performance.
• High-strength back lock enhances safety and durability during use.
• Made in Japan with Spyderco’s attention to detail, ensuring a reliable and premium product.

Cons:

• K390 steel, while exceptional in performance, is prone to corrosion if not properly maintained, requiring frequent care.
• Although lightweight for its size, at 4.2oz, it might feel unbalanced compared to smaller knives.
• The large blade and advanced steel make it better suited for heavy-duty tasks rather than general everyday carry.