500-069-2-3 vs 500-069-2-7 vs 500-069-4-3

PartNumber	500-069-2-3	500-069-2-7	500-069-4-3
Description	D-Sub Tools & Hardware JACKPOST KIT STYLE 1	D-Sub Tools & Hardware RN KIT 2 JACKPOST/ NUTS/WASHERS	D-Sub Tools & Hardware JACKPOST KIT STYLE 1