M series multi-functional knives are expected to offer excellent combination of both substantial functionality and good portability. These knives fits for everyday carrying for daily use or back-up methods to kinds of outdoor tools.

The very versatile Criterion Collection M series integrates convenience and functionality.

Everything in this group will assist with that home chore or unexpected outdoor emergency situation.  

Functions of S21 EDC Multi-Tool / Fixed Blade Knife:

1) Large Blade

2) Glass Breaker

3) Pocket Clip

4) Tweezers

5) Corkscrew

6) Bottle Opener

7) Large Screwdriver 6.5mm

8) Wire Stripper

9) Belt Cutter

10) Small Screwdriver 3mm

11) Key Ring

Craftsmanship:Large Blade: The man blade of Ruike Multi-Function knives have enhanced thickness and width, providing greater  durability and blade capability compared to the competition. 

Sandvik 12C27 Premium Blade Material: RUIKE Knives are made from Sandvik 12C27 steel. Outside of superior corrosion resistance, The steel provides the blades with added strength, giving the baldes ability to retain sharpness for longer than usual.

Tungsten Steel Breaking Cone : Providing added Capablity, RUIKE Knives comes with Tungsten steel breaking cone, allowing users to break Glass and other tough materials that they may encounter.

Pocket Clip Design: Given that most of the users use the Knives and Tools within environments that promote wear and tear. Ruike has created stainless steel clips to holster the knives to protect them during non-use. Ruike Knives are easy to carry and you can be assured that they are very well protected.

G10 Knife Handle: RUIKE Knife handles are blend of fiberglass and resin, giving the knives the ability to withstand intense forces, preventing scrapes and general abrasion.