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.