...and yes, being a relatively slim tree like that, i do figure they couldīa been handy there
These do have some restriction, since theyīre made for a relatively specific polesize, whereas woodmenīs versions, even if superfiscially alike, has an adjustment option to fit different diameters.
I do have a set that was bought on a lineman relatives auction and Lenn (Pitchy) gave me some longer spikes that were new in the box. I climbed a tree for fun with them once, but have never actually used them for work. Guess where my pair is... hanging on a nail in the basement