Product Description Schmetz Metallic Twin Needle Also called the Metallic Twin Needle. Use for sewing dual rows of Metallic thread simultaneously. Needle Size: 12/80. Needle Distance: 2.5mm. Color Code: None Feature: Two Metallic needles mounted on one shank create two rows of stitches simultaneously. Fabric Use: Special effect and fancy threads, particularly for metallic threads. Quantity: One (1) needle per card.