These are the Hobbed Pulleys for use in direct drive filament extruders, but they are also compatible with many other extruder designs. Hobbed pulleys are made of brass.
Flat 2a, 10/f.
Shiu Fat Industrial Building
139-141 Wai Yip Street
Kwun Tong
We don't have a sales point in Hong Kong,
orders accepted online only, but in case you
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Hong Kong