1/2" to 3/4" L090 3-Piece L-Jaw Coupling Set & Buna-N NBR Rubber Spider for Log Wood Splitter: Amazon.com: Industrial & Scientific
Jaw-Type Coupling Kit - HXL4 - Masport Pumps
The exploded diagram of a typical flexible jaw coupling. | Download Scientific Diagram
Lovejoy 54288 Size C226 Medium Duty Jaw Coupling Hub, Cast Iron, Metric, 48 mm Bore, 130.81 mm OD, 14 mm x 3.8 mm Keyway: Spider Couplings: Amazon.com: Industrial & Scientific