CobraTec Large CTK-1 Blue Cobra Castration OTF Knife

The CobraTec Large CTK-1 Blue Cobra Castration OTF Knife LBCSCTK-1LCASNS is a distinctive OTF model that combines aggressive design, solid construction, and accessible performance in the characteristic Blue Cobra Castration finish.

The CTK-1 model is one of CobraTec’s most widespread knives and represents a proven foundation among affordable OTF automatics. It is designed as a versatile tool for everyday use as well as lighter work tasks.

The dominant feature of this variant is its aggressively styled blade (Drop Point / Tanto depending on the variant) with a length of approximately 9.5 cm, offering a good balance between cutting control and piercing capability. Its shape is suitable for common EDC tasks as well as more demanding use.

As soon as you pick up the knife, its robust construction stands out immediately. With a weight of around 250 g, it is a stable tool that feels confident even during heavier use.

The blade is made from D2 tool steel, which offers a good balance between edge retention and durability in everyday use.

The Dual Action OTF mechanism allows both deployment and retraction of the blade using a single sliding switch. The mechanism is fast, forceful, and reliable with proper maintenance.

The knife comes with a sheath and a box featuring the CobraTec manufacturer logo.

The CobraTec CTK-1 Large Blue Cobra Castration is a knife that offers a striking look, simplicity, and solid functionality — ideal for users who want a stylish yet practical OTF automatic.

Dual Action OTF mechanism

Glass breaker Yes