2.700
TB WOOD'S L10020MM Jaw Coupling Hub: L100 Coupling Size, 64 mm Outside Dia
What makes this a good buy is the Blaster name on the spec sheet.
Anvil 0318913605 Hex Locknut Hex Locknut, 1-1/2" Pipe, Fnpt, Malleable Iron,
What stands out about the black option is its low-maintenance appearance over time.