The Original, Patented, Easiest to Install, and Lowest Priced Top Down Mounting System
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Used to accommodate 3/4" of roof height variation (+1/4" to +1")
Used with either FastJack® or FastJack® E-Series
Includes (1) 2-1/2" Stainless Steel cup head stud, (2) Stainless Steel nuts, (2) Stainless Steel washers
Used to accommodate 1" of roof height variation (+1/2" to +1-1/2")
Used with commercial FastJack® E-Series attachment