SFR-1/2-0-SP Primary Product Color: Black Wall Type: Single Expanded Inside Diameter (Min): 12.7 mm Expanded Inside Diameter (Min): .5 in Recovered Inside Diameter (Max): .287 in Black Single 12.7 mm .5" | Heat Shrink Tubing | Part Number: SFR-1/2-0-SP | Internal Number: 5660034001 | Alias Number: 7-1194469-4 | TE Connectivity