Spiral zipper chain cutting tool "Gappy"

Spiral zipper chain cutting tool (Gapping Tool)
This tool removes completely the spiral chain and its sewing thread from both zipper tapes of sewn spiral zippers in seconds. As a result you obtain a neat top tape extension, which allows you to process further the zipper more easily. Application video

The tool is only available for 4 to 6.7 mm wide spiral chains. Each chain width requires a separate tool. The tool is not suitable for woven spiral zippers.