These bobbins have titanium inserts rather than ceramic inserts for even more durability.
Has a raised micro pebbled or egg carton pattern on the insert that cuts down on surface tension.
Ridiculously slick!
Size: 3", 4", 4.75".
These bobbins have titanium inserts rather than ceramic inserts for even more durability.
Has a raised micro pebbled or egg carton pattern on the insert that cuts down on surface tension.
Ridiculously slick!
Size: 3", 4", 4.75".