Material: Aluminum Alloy Thread Diameter: M2.5 Surface Treatment: Anodized (Note: "Aluminum Color" is not anodized.) Finish: Black / Red / Gold / Blue / Purple / Silver / Natural Aluminum Product Specifications: M*L-D (thread id * length * outer diameter) Note: Because it is too long, there are threads from both sides, and the thread depth is about 6mm
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