The Singer Twin Needle is 3mm wide and used for pintucks & twin needle stitching.
Schmetz Twin Ndl 6.0/100
Double Needle Stitching - 6 ways to use these twin-needles. - SewGuide
3PCS Metal Stretch Twin Needles Double Needle for Sewing Machine Set Tools DIY
Schmetz Twin Machine Needle Size 4.0mm/100 1ct
Twin Needles Sewing Needles Presser Foot Sewing Machine - Temu
Twin Needles 4.0 —
Tutorial: Twin Needle Sewing
Twin needles from Organ Needles, Using the right sewing machine needle for the fabric you are working with is essential to help you end up with the
Twinneedle 2,5mm size 80 2pcs
YOKIOU 9PCS Double Needle Sewing Machine Twin Needles Stretch Needles Pins 2/90 3/90 4/90, 6 Sizes Wide Rolled Hem Foot Set & Narrow Foot Hemmer Set for Brother, Singer, Janome Sewing Machines - Yahoo Shopping