All ProductsQualtek Electronics CorporationWire & Cable QUALTEK ELECTRONICS CORPORATION Wire & CableCable, WiresHeat Shrink Tubing Q5-3X-2-01-QB48IN-5 HEAT SHRINK TUBING, FLEXIBLE 1.969" (50.00MM) 3 TO 1 BLACK 4.00' (1.22M) MFR. Name: Qualtek Electronics Corporation