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 a Signature Convertible Circular? What is the Warranty on a Signature Convertible Circular Comments 0 comments Article is closed for comments.