Fisher has a new coil coming to market shortly. It’s a 12” dd and very light weight, lighter than the stock coil. It is supposedly going to be available for the f75, t2 and g2 and a few other Fisher products. From what I understand much deeper that the stock coil. The g2 is an awesome detector but does lack a little in the depth department. I know there are larger after market coils out there for the g2 but one that’s designed and made by the folks who designed the G2 may just be a game changer for this great machine.