Description of the Ruike Criterion Collection L21 Knife

The Ruike Criterion Collection L21 (green) multi-tool knife is a compact and reliable assistant for everyday use and outdoor activities. This model combines a simple yet well-thought-out design and a wide range of tools, making it versatile for household use, tourism, and camping. The main blade and additional tools are made of Swedish Sandvik 12C27 steel, hardened to 58-59 HRC, which guarantees good strength, abrasion resistance, and enhanced corrosion resistance.

The Ruike L21 is equipped not only with a strong and sharp blade but also with an additional serrated blade, a flat-head screwdriver, a combined opener, a corkscrew, a glass breaker, and removable tweezers. The well-designed handle shape and G10 scales with a textured surface ensure a comfortable and secure grip in various knife-holding positions. The model is available with three handle colors: black, dark green (including the green option presented in the title), and brown.

Key Features

• Brand: Ruike;
• Model: Criterion Collection L21 (green variant);
• Category: Camping & Tourism > Tourism > Multi-tool Knives;
• Construction: folding;
• Length unfolded: 19.7 cm;
• Length folded: 11.4 cm;
• Blade length: 85 mm;
• Blade thickness at spine: 3 mm;
• Blade shape: Drop-point;
• Cutting edge grind type: plain;
• Lock type: Slip-joint;
• Number of additional tools: 5 + glass breaker;
• Blade and tool material: Swedish Sandvik 12C27 steel;
• Steel hardness: 58-59 HRC;
• Handle scales: G10 with textured surface;
• Available handle colors: black, dark green, brown;
• Knife weight: 119.5 grams.

Tool Set

1. Long blade
2. Wire bending tool
3. Bottle opener
4. Large screwdriver 6.5 mm
5. Wire stripper
6. Strap cutter
7. Small screwdriver 3 mm
8. Pocket clip
9. Corkscrew
10. Glass breaker
11. Key ring/lanyard hole
12. Tweezers

This combination of tools makes the Ruike L21 a versatile set for everyday tasks: from cutting and repairing to opening bottles and tightening fasteners. The core of the design is high-quality Sandvik 12C27 steel, which provides an optimal balance of hardness and ductility, and hardening to 58-59 HRC allows the cutting edge to stay sharp for a long time.

Marking information: the triangle indicates the year of manufacture, the numbers — the month of knife production.

Warranty: The official warranty period for the Ruike L21 folding knife is 5 years.

The Ruike Criterion Collection L21 is a compact, convenient, and reliable multi-tool knife that combines premium materials, well-thought-out G10 handle ergonomics, and a rich set of tools, making it an excellent choice for tourists, camping enthusiasts, and those who value practicality in everyday life.

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