jesters as well as fks are very prone to rip out. Jesters because its a long profile that just goes plastic to ski. fks have a narrow pattern. Ive ripped out on jesters, and heard many stories of fks ripouts.
my supervisor uses sth 16s on his hellbents and my foreman uses them on his czars. No problems and they have had their skis for a few years. Know another guy who uses them on his args dont get much bigger then that.
STH16's no doubt. I got a pair on my LL2's right now and couldn't be happier. 5 screw heel, wide 4 screw toe mount with huge AFD, light yet strong, and the tried and true driver toe and wormscrew heel. Compared to Jester's it's an obvious choice for me, Im sure some will disagree though..