S series is designed for convenient key-chain hanging. It is capable of satisfying daily use demands by the offer of optional handy tools like belt cutter, scissors, bottle opener.

The Ruike S31 is a practical keychain pocket knife. It is compact enough to easily hang from your bunch of keys and large enough to be functional. Only when you keep this type of keychain pocket knife close you notice how often it comes in handy. When opening letters and boxes, or cutting through tie-rips. But also when peeling an apple or removing a label from a shirt. In addition to a blade this knife is also enhanced with a screwdriver, cutting hook, bottle opener and a pair of scissors.

Compact and convenient for every day carry.

Equipped with a stainless steel key ring and available multi-function tools.

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The S series is great for those every day tasks.

Comes in Two Colors: Black & Green

Functions of S31 EDC Multi-Tool / Fixed Blade Knife:

1) Blade

2) Key Ring 

3) Scissors

4) Bottle Opener

5) Belt Cutter

6) Small ScrewDriver 4mm

Large Blade: The main 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.

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.