HellermannTyton Heat Shrink Tube, Black 3.2mm Sleeve Dia. x 5m Length 2:1 Ratio, TCN20 Series, Shrunk Diameter: 1.6mm, Material: Cross Linked Polyolefin, Flame Retardant: Yes, MPN: 300-73040 TCN20-3.2/1.6-PO-X-BK