HellermannTyton Heat Shrink Tube, Black 3.2mm Sleeve Dia. x 10m Length 2:1 Ratio, HIS-PACK Series, Shrunk Diameter: 1.6mm, Material: Cross Linked Polyolefin, Flame Retardant: Yes, MPN: 300-30320 HIS-PACK-3.2/1.6-PO-X-BK