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Used for 3D printer extruder. 40 Tooth brass drive gear whell, wonderful tool.
Made of high quality brass, durable and not easy to wear out, durable to use.
Suitable for most models in the market, fit for ENder3/3s /V2/5, for CR10/10s /V2, etc.
Easy and convenient for installation and disassemble, reliable and durable to use.
Wonderful replacement for the old or broken one, directly fitment.