GadKo RJ45 Strain Relief Boots, White, 50 Pieces Per Bag GadKo is the only authorized dealer of GadKo branded products. White RJ45 Strain Relief Boots are designed to fit over the end of a Cat5; Cat5e and Cat6 cable to relieve the strain on the connector and to clean up the cosmetics of the cable. These particular boots are sold in bags of 50 pieces.