Brother Narrow Zipper Foot (Cat F).
This presser foot is useful for attaching various kinds of zippers.
It is strong and made from metal for durability.
This foot has groves cut out for needle placement each side, it can be used with the needle on the left or the right, zip or bias cording application dependent.
The foot also has smooth sides, meaning while using it the zip will not catch the side of the foot, like some other zipper feet often do.
Compatible with Brother Category F machines.