Ruike P831-SF Knife

Sandvik 14C28N stainless steel, 58 - 60 HRC, cryogenic treatment
Sandvik 14C28N is a martensitic stainless chromium steel with an optimized chemistry for high quality professional knife applications that place very high demands on edge sharpness, edge stability and corrosion resistance. As for this knife, 14C28N is intensively processed by RUIKE using quenching and cryogenic treatment, which features an ideal hardness of 58 - 60 HRC.


Total length: 19.5cm
Blade length: 8.5cm
Closed length: 11cm
Blade thickness: 0.31cm
Handle material: 3Cr14N stainless steel
Blade material: 14C28N stainless steel
Frame Lock eBeta Plus Lock locking system
Opening: Flipper
Pocket clip
Color: Grey
Weight: 93 g


RUIKE Outdoor Tools Manufacturing CO.,LTD
(subsequently called “RUIKE”) was founded in 1998 by Mr. Leung, a knife-cutter with a deep devotion to knife design and manufacturing.
Since its foundation, RUIKE has worked for the most famous international sports knife brands in both design and production. In 2016, RUIKE decided to launch its own brand. RUIKE has always been committed and has always believed
in the value of its mission, that of innovating and producing practical and reliable knives and tools, evaluating the needs of all users.
For a dynamic person, RUIKE is the smart choice: a precise and handy knife to be used with confidence for its fine craftsmanship and excellent quality.

3Cr14N stainless steel
3Cr14N stainless steel has high standards of toughness, abrasion resistance and corrosion resistance.

"Beta Plus" lock.
Opening the blade and pressing the "Beta Plus" lock can make the locking mechanism more reliable and secure in preventing accidental locking of the blade during use.