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100% Brand New and High Quality !
Material:Graphite + Copper Wire
Base: 4.5mm * 4mm * 11mm
Spring Length: 17mm
Total Length:3cm
Color:As Pictures
Package Included:20pcs
[applicable models]: old household sewing machines such as Xihu, butterfly, bee, etc., and old-fashioned overlock sewing machines of Feiren brand, etc