Mantis Churchkey M-3

The 420J2 stainless steel blade offers good corrosion resistance, toughness, and easy edge sharpening. This type of steel contains a relatively low carbon content, due to which it achieves rather lower hardness, but resists moisture and common mechanical stress well. Compared to modern powder steels, it does not reach such long edge retention, however its advantage remains low-maintenance. The blade with a drop point profile and a black surface finish provides sufficient control during small cutting tasks, opening packaging, or working with common materials.

The handle made of 6061-T6 aluminum alloy combines low weight, strength, and good resistance to daily wear. This alloy is also used in the aerospace and engineering industry, primarily due to its favorable strength-to-weight ratio. Hard anodization creates a protective surface layer, which increases the aluminum's resistance to abrasion and simultaneously gives the handle a characteristic look. A distinct design element remains the red ellipse, a typical identifying mark of Mantis knives, which contrasts with the dark design of the construction.

Safe locking of the open blade is ensured by the Frame Lock mechanism, which uses a flexible part of the metal handle frame to mechanically lock the blade. This solution stands out with its simple construction, limited number of parts, and easy operation. When opened, the flexible part of the frame rests behind the blade tang and prevents it from unintentional closing during normal use. The pocket clip allows the knife to be carried comfortably on the edge of a pocket, so it can be always at hand.

The most interesting structural feature of the Mantis Churchkey I remains the integrated bottle opener, which expands the knife's utility beyond standard EDC equipment. It is the combination of the folding blade and the opener that gives the model its characteristic look and makes it an interesting accessory for outdoor activities, camping, grilling, or everyday carry. The unusual proportions and technically simple solution will also appeal to collectors of original pocket knives.

The Mantis M-3 Churchkey I does not rely on expensive materials or complex mechanisms. Its main advantage remains its ingenious construction, functional combination of two tools, and affordable price. For those interested in unconventional folding knives, it represents an interesting alternative to classic EDC models, capable of offering practical function as well as a bit of personal humor.

Technical parameters:

• Manufacturer: Mantis Knives

• Model: M-3 Churchkey I

• Knife type: Folding pocket knife with bottle opener

• Total length: 152 mm

• Blade length: 38 mm

• Blade material: Stainless steel 420J2

• Blade shape: Drop Point

• Blade finish: Black

• Handle material: Aluminum alloy 6061-T6

• Handle finish: Hard anodization

• Lock: Frame Lock

• Weight: 57 g

• Pocket clip: Yes

• Integrated bottle opener