The Merrow 70-D3B-2-CNP-G-R produces a single-thread butted GAP seam for use on a Railway System and is designed for the end-end seaming of woven material in wet environments. It is chemically nickel plated to resist corrosion.
The 15-CA-1 creates a narrow crochet edge and is often used on blankets. The two-thread stitch allows for additional color and contrast, and is used to finish a variety of articles with a decorative or retentive covering edge.