SELF WRAPPING SLEEVE/Roundit 2000. 5/16, rated to 125 degrees Celsius 5651000803S pack of 100Roundit® 2000 Self-Wrapping Wire Sleeving | 5/16-inch DiameterRoundit® 2000 self-wrapping sleeves are tough and lightweight oversleeves used to bundle and protect cable assemblies, hoses and wire harnesses..