TE Connectivity Heat Shrink Tubing, Blue 12.7mm Sleeve Dia. x 1.2m Length 2:1 Ratio, RNF-100 Series
4mm, Adhesive Lined: No, Material: Polyolefin, Operating Temperature Range: -55 → +135 °C, Flame Retardant: Yes, MPN: RNF-100-1/2-6-STK. x 1.TE Connectivity Heat Shrink Tubing, Blue 12.2m Length 2:1 Ratio, RNF-100 Series, Shrunk Diameter: 6.