Criterion Collection S11

CAD $26.95

Open: 122 mm / 4.80″
Closed: 71 mm / 2.79″
Blade length: 53 mm / 2.1″
Blade thickness: 2 mm / 0.08″
Weight: 30 g / 1.06 oz
Blade material: 12C27
Handle material: G10
Functions: 2
Lock: Slip joint

This is the most compact knife in Criterion Collection series. With a stainless steel key ring, it is convenient for every day carry.

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PDF S Series User Manual


Knife Functions - S11

2 Functions:


  1. Blade
  2. Key ring


Knife Features - Blade - S11, S21, S22, S31


The main blade of the RUIKE multi-function knives have enhanced thickness and width, providing greater durability and blade capability compared to the competition.

Sandvik 12C27 Blade Material

RUIKE knives are made from Sandvik 12C27 stainless steel.  Outside of superior corrosion resistance, the steel provides the blades with added strength, giving the blades the ability to retain sharpness for longer.

Knife Features - Handle - All M and all L products

G10 Knife Handle

RUIKE knife handles are a blend of fiberglass and resin, giving the knives the ability to withstand intense forces, preventing scrapes and general abrasion.

Additional information


Black, Green