Swing Arm Holder - 1" U-Bolt w/Floor Base Part # 15502 #15502 Swing Arm Holder - 1" U-Bolt w/Floor Base Quantity:   Only  $55.95    Here are some other items you may be interested in: Fine Gun Holder Cover - Side Mount  Only $15.95  Swing Arm Floor Base  Only $17.95  Additional Barrel Holders  Only $5.50  Set of 2