Billhook handles need to fit you and the hook.

How to make and fit a long Billhook handle (zombie killer)

Tool Talk for a billhook

Putting a New Handle on my Billhook (cutting tests at the end!)

Gorgeous Restored Vintage William Swift Billhook Wood Chopper

Bill hook Handle, Single edge Bill Hook. Ideal for clearing weeds, cutting back hedges and chopping kindling.

Single Edge Bill Hook Handle - J Hubbard and Son

Billhook handles need to fit you and the hook.

Cappy's Cajun Cane Knife

Drainpipe sheaths – BushcraftUK

A Lasher billhook or bill hook.