8 inch gullet , would fit a very wide horse nicely. Never ridden in, brand new. Doesn’t fit my horse and the online shop would not return it. My loss is your gain. PM me with any questions or interest. Open to offers. I would be fine with a 3 day trial period as long as I receive a full $1,100 deposit and if it doesn’t fit , it is returned to me in the same condition as it left in.