I haven't heard that, but if you decide to buy them, you can still get them from several online retailers... I had to check and see if they were still available online even.
i have semi-auto's here...
Manual stabilizer jacks and a speed bit to fit the electric drill.
Saved enough money to pay for the camping and parking permits for years to come.
Where we've been:
2000 Rockwood Roo M-18 Hybrid
2006 Dodge Ram 2500 Auto 5.9 Diesel
Gone but not forgotten -1986 Rockwood 1003 PUP