SCHMETZ Twin Stretch Sewing Machine Needles fit the 130/705 H system, which is compatible with most home sewing machines Fabric Use: Elastic materials and highly elastic knitwear Features: Two Stretch needles mounted on one shank create two rows of stitches simultaneously Color Code: None The SCHMETZ Stretch Twin Sewing Machine Needle Combo Pack includes 1 size (2.5/75) and 1 size (4.0/75) SCHMETZ Twin Stretch Sewing Machine Needles and an Official SCHMETZ ABC Pocket Guide The SCHMETZ Stretch Twin Sewing Machine Needle Combo Pack includes 1 size (2.5/75) and 1 size (4.0/75) SCHMETZ Twin Stretch Sewing Machine Needles and an Official SCHMETZ ABC Pocket Guide. Stretch Twin Needle Features: Two Stretch needles mounted on one shank create two rows of stitches simultaneously. (2 Needles Total and 1 SCHMETZ ABC Pocket Guide)