Raychem RNF-100-3/32-BK Polyolefin Heat Shrink Tubing .093" ID, 48" Length AMS-DTL-23053/5, Class 1 UL E35586 600V, 125C Shrink Ratio 2:1 Minimum shrink temperature 95C (203F) Operating temperature range -55C (-67F) to 135C (275F) Flame Retardant