Thread Size: 3.34-12
Threads per Inch: 12
Nominal Thickness - Inch: 0.385
Nominal Thickness - Millimeter: 9.779
Inch - Metric: Inch

Outside Diameter - Inch: 4.125
Other Features: Thin Section Locknut
Outside Diameter - Millimeter: 104.775

Thread Size: 2.751-18
Threads per Inch: 18
Nominal Thickness - Inch: 0.635
Nominal Thickness - Millimeter: 16.129
Inch - Metric: Inch

Outside Diameter - Inch: 4.125
Other Features: One Piece Split | M8 Clamp Screw
Outside Diameter - Millimeter: 104.775

Thread Size: 3.34-12
Threads per Inch: 12
Nominal Thickness - Inch: 0.385
Nominal Thickness - Millimeter: 9.779
Inch - Metric: Inch

Outside Diameter - Inch: 4.125
Other Features: Precision
Outside Diameter - Millimeter: 104.775