As far as I can tell this is the Night Watchman. It says Night Watchman on the side of the cane.
The United Cutlery Defense Premium Adjustable Walking Cane can be adjusted by cutting the shaft with a saw. There are grooves on the shaft as a guide for cutting to the proper height.
Unfortunately, this product has been discontinued and we no longer have that information available. We recommend reaching out to the manufacturer for this inquiry. Their contact information can be found here: https://www.unitedcutlery.com/Contactus.aspx
United Cutlery Defense does not provide the dimensions for the hook on their Premium Adjustable Walking Cane. I'd recommend reaching out to them directly for more information.
The shaft can be cut with a saw to adjust the height of the cane to suit your needs. Use the convenient grooves on the shaft as a guide. The cane measures 39" overall and instructions are included.
It is constructed of strong injection molded nylon with fiber.