WE Knife Suisei specs and steel

The WE Knife Suisei has a 3.28" reverse tanto blade in M390, weighs 3.55 oz and uses a liner lock. Its list price is $350; retailers often sell for less.

WE Knife Suisei: Reverse tanto blade, 3.28" long (generic profile, not to scale)Reverse tanto blade, 3.28" long

Specifications

Blade steel
M390
Blade length
3.28"
Overall length
7.83"
Blade thickness
0.13"
Weight
3.55 oz
Lock
Liner lock
Handle
Titanium with carbon fiber inlay
Blade shape
Reverse tanto
Opening
Manual (flipper)
Model
Suisei (WE25086-3)
Brand
WE Knife
List price
$350

Nested liner lock flipper, hollow grind. On 2026-10-14 the maker page showed it as a pre-order with an estimated 29 October ship date. Country of origin is not stated on the page (WE Knife is based in Yangjiang, China).

Where to buy

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The steel: M390

M390 is a powder metallurgy stainless steel rated 8/10 for edge retention, 4/10 for toughness and 9/10 for corrosion resistance; it is low on ease of sharpening (3/10). Full M390 page.

Edge retention
8/10
Toughness
4/10
Corrosion resistance
9/10
Ease of sharpening
3/10
M390 typical hardnessM390: 60-62 HRC55 soft60 mid65 very hard507060–62

How M390 compares

More WE Knife knives

Other knives in M390

Similar price

Specs checked on 2026-10-14 against the maker's product page.