I salvaged this medium size digging tool which needed a handle. The Catagory List, Handle Photos, and Eye Dimensions at Beaver Tooth Handles led me to get the 34" Coal Miners Pick Handle. With a little more rasping and sanding it will be a strong tight fit.
I have one more head like this with a different eye size and a grub hoe head that still need handles that fit. My success here has given me hope.