Certain Stitch Between 9pcs sz/gr 5/7

Ideal for sandwiching layers in hand quilting, the shaft of the between needle is shorter than most needles.
Featuring colored bands which help with the length of the stitch.
The distance from the tip to the color of the band gives the distance between 2 stitches.
Each folder has 3 needles, each in 3 sizes and each size has a different color.