P135-SF is outstanding in its blade with a thickness of 3.5mm and it is made of 14C28N stainless steel, which features razor sharpness and a finely tapered tip, making the knife more powerful in cutting, chipping and piercing. The handle is made of 420 stainless steel, and it is stonewashed to allow fine and comfortable sense of touch. In addition, thanks to the flipper and ball bearing pivot design, the knife can be deployed smoothly and effortlessly. An unique “Beta Plus” safety lock is fitted to strengthen the locking mechanism extremely reliable even though the sturdy liner lock is made of stainless steel.

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

"Beta Plus" Safety Lock
Deploying the blade and pushing the "Beta Plus" lock up can transform your pocket-size folding
knife into an fixed-blade knife to handle more harsh conditions.

Thrust Ball Bearing/ Ball Bearing Washer
The built-in lubricated balls are made of specialized high-carbon chromium bearing steel and are
finely machined. The balls feature excellent hardness, wear resistance and fatigue durability.
 

Specifications

Overall Length:213 mm / 8.39"
Weight:147 g / 5.19 oz
Blade Length:91.6 mm / 3.60"
Blade Thickness:3.5 mm / 0.14"
Blade Material:14C28N stainless steel (58~60 HRC)
Finish:Bead blast
Handle Material:420 stainless steel
Locking:Frame lock w/ "Beta Plus" safety system
Opening:(Manual) Flipper