The Unique star shaped Crown Ring positions and holds the wire strands in place, eliminating the requirement for awkward wire end bending. The shallow angled cone establishes direct mechanical grip on the core and all other outer strands. Stainless srteel grade EN10088 1.4404 (316) is used on all parts with the exeption of the crown ring which is manufactured from Aluminium Bronze. No sealant or packing is required.