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