Can I order custom length Convertible Cables? Customer Support - Admin May 29, 2013 17:01 Follow Absolutely. Please call for custom orders 888-656-1113. Related articles How much does a cable assembly cost? Will Convertibles Unscrew? Is convertible the same as interchangeable? What is the Warranty on a Signature Convertible Circular What if my fixed circular needle breaks once the fixed circulars are discontinued? Comments 0 comments Article is closed for comments.