Strato-Biner Tool Steel Core -- Copper Scales (Acid Washed)

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Strato-Biner Tool Steel Core -- Copper Scales (Acid Washed)

Add style and utility to your keychain with the Ti2 Design Strato-Biner!


Tool steel cores offer greater strength, wear resistance and functionality.  The Tool Steel Strato cores also offer extra jimping and a pry bar for additional utility.  All tool steel cores are tumble finished.

Copper alloy 110 for fans of copper and red hues.   Copper 110 has good wear resistance and durability.  Copper scales are acid washed and tumbled giving a textured patina feel.

Strato Cores

We're excited to offer 2 core variants for the Strato-Biner. The titanium core will offer a lightweight and sleek design and in contrast, the the tool steel cores will offer greater strength, wear resistance and utility. The Tool Steel Strato core also offers extra jimping and a pry bar for more utility and function. 

Titanium Core (left) Tool Steel Core (right)

Strategic Jimping

The design is a result of a multitude of ergonomic tweaks. Jimping is strategically placed for the various utilities within the design.

Jimping shown on Titanium Core with Titanium scales

Asymmetrical Gate Design

We've designed an integrated, asymmetrical gate that offers great torsional rigidity for a lifetime of use. 

Gate is made from grade 5 Alloy (6Al4V) and features an ambidextrous design allowing positive action right or left handed. 


1.5" x 3.5" x .25" (38mm x 89mm x 6mm) 


Copper scales with tool steel core = 50 grams