Nose Dog Drives to suit various brand dog clutches.

Brand is specific to spigot size inside diameter 

ie: brass bush that locates onto drive shaft.

Spigot sizes are in inches and are an inside diameter measurement.

1.   5/8 Spigot          2.     3/4 Spigot

               3.    1" Spigot

5/8" & 3/4" Nose dogs accept drive pin.