This is how Standard Size discipline compares to Jumbo Sized discipline. The following picture shows a 23″ Standard Size discipline next to a 23″ Jumbo Size discipline.

Size comparison between a standard size discilpine and a jumbo size discilpine

Here a comparison between a Stardard Size handle and a Jumbo Size handle.

Grip size comparison between a standard size discipline and a jumbo size discipline

And here you can see the different sizes of knots.

Knot size comparison between a standard size discipline and a jumbo size discipline