Bore Profile: Finished Bore
Component: Hub
Coupling Type: Jaw Coupling
Inch - Metric: Metric
Outside Diameter - Inch: 4.25

Material: Aluminum
Other Features: Components May or May Not Intermix Among Brands | 4 Jaws | No Metal to Metal Contact
Length Thru Bore - Millimeter: 44.45
Mounting Method: Set Screw
Hub Diameter - Millimeter: 81.026

Bore Profile: Finished Bore
Component: Hub
Coupling Type: Jaw Coupling
Inch - Metric: Metric
Outside Diameter - Inch: 3.98

Material: Magnesium Alloy
Other Features: Components May or May Not Intermix Among Brands | Corrosion Resistant | Neoprene Insert
Length Thru Bore - Millimeter: 38.608
Mounting Method: Set Screw
Hub Diameter - Millimeter: 77.47