Klasse Twin Stretch Mach Needle size 4.00mm/75. For medium weight knits with two-way stretch.
The two needles are attached to a single crossbar. Stitching two rows simultaneously, they create decorative effects for heirloom sewing, pinticks, fancy hems and other decorative effects.
The two numbers in the size of the needle indicate the space between the tips and the size of the needles, respectively. For instance, a 4.00mm/75 needles is two size 75 needles spaced 4mm apart.