This is a "nov tool kit only - adapter for nov titanium spaner & wrench [nov 213]".
It is made by nov design in Korea. They are a specialist for Brompton parts production with CNC process.
Most of the products in novdesign are light weight line, that means it's more light but can be damaged easily.
Usually, a product for the light weight has to be treated well.
And really prohibit over torque for the light weight product.
So don't screw it too much at all!