Spyderco Police 4 K390

Name: Spyderco Police 4 K390
Brand: Indiana Knives
Availability: OutOfStock

$198.00

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First listed 4mo ago

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About Spyderco Police 4 K390

The Police 4 is the largest member of Spyderco's select family of lightweight knives featuring K390 MICROCLEAN tool steel blades. Ideal for extreme cutting challenges, it combines the toughness and superior edge-holding characteristics of K390 with all the proven qualities of this highly refined design -- including the low-friction edge geometry of a full-flatground, PlainEdge blade, a fully accessible Trademark Round Hole, a high-strength back lock mechanism, and a four-position pocket clip.

C07F4K390

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

Price history

Near lowest tracked

At $198.00, it's priced below the median for Indiana Knives's lineup ($228.75 median).

Lowest tracked: $198.00

Based on 1 recorded price since March 2026.

Price Comparison by Material

Indiana Knives

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Retailer

$198.00

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Frequently asked questions

How much does the Spyderco Police 4 K390 cost?

The Spyderco Police 4 K390 by Indiana Knives is currently priced $198.00 (currently sold out). Drop Beacon tracks live prices so you can find the best deal.

Is the Spyderco Police 4 K390 a good price right now?

At $198.00, it's priced below the median for Indiana Knives's lineup ($228.75 median).

What is the lowest price the Spyderco Police 4 K390 has been?

The lowest price Drop Beacon has tracked for the Spyderco Police 4 K390 is $198.00. Full price history shows whether the current price is a genuine deal.

About Spyderco Police 4 K390

C07F4K390

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

Frequently asked questions

How much does the Spyderco Police 4 K390 cost?

The Spyderco Police 4 K390 by Indiana Knives is currently priced $198.00 (currently sold out). Drop Beacon tracks live prices so you can find the best deal.

Is the Spyderco Police 4 K390 a good price right now?

At $198.00, it's priced below the median for Indiana Knives's lineup ($228.75 median).

What is the lowest price the Spyderco Police 4 K390 has been?

The lowest price Drop Beacon has tracked for the Spyderco Police 4 K390 is $198.00. Full price history shows whether the current price is a genuine deal.