RUIKE P831S-SB

The Ruike P831S-SB takes the best features of the P831-SF and adds a touch of dark aesthetics. This model combines refined design, functionality and an anti-glare finish, making it a discreet, stylish and reliable tool for everyday use.

All-black design

The stainless steel handle has a satin black coating, matching the black blade for a sleek, modern and stealthy look. The stealth style of the P831S-SB makes it an elegant knife with a strong personality.

Black Sandvik 14C28N steel blade

The 8.5 cm drop point blade is made from Sandvik 14C28N steel with a black coating that improves corrosion resistance while reducing glare. Its geometry allows for precise, smooth and efficient cutting.

Enhanced safety with push button

Like its silver counterpart, the P831S-SB is equipped with a liner lock with a side release button. This ingenious system prevents accidental closure while allowing for intuitive and safe use.

Discreet, lightweight and ready for action

With its featherweight of approximately 93 g and discreet belt clip, the P831S-SB is an ideal everyday companion. It slips easily into a pocket, bag or onto equipment without attracting attention.

Technical features

Overall length: 195 mm
Blade length: 85 mm
Blade thickness: 3.1 mm
Closed length: 110 mm
Weight: 93 g

14C28N stainless steel blade
Finish: stonewash
3Cr14N steel handle
Finish: stonewash

Locking: Frame Lock
Opening: Blade deployment by manual operation (Flipper)
Pivot: Ball bearing
Belt clip

Handle details

The 3Cr14N stainless steel is highly resistant to abrasion and corrosion. In addition, the handle has a ‘stone’ finish, which makes it comfortable to hold.

Blade Details

Sandvik 14C28N stainless steel is a martensitic chromium steel whose chemistry is optimised for high-quality professional knife applications. For this knife, the 14C28N steel is treated by quenching and cryogenic treatment, giving it an ideal hardness of 58~60 HRC.