(2) 1/4" Split Lock Washers. 30 Pin Male to Female Dock Extender Extension Adaptor for the iPhone 4S. (1) 1/4"-20 U-Bolt for. 5" - 1" Rails. (1) 1/4"-20 U-Bolt for 1" - 1.25" Rails. (2) 1/4"-20 x 2.5" Hex Bolts.
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