LIZARD GO Tube Clamps - 4Pack,Cross Bar Clamp 1.125",1.25",1.5 inch,Roll Cage Clamp for Bar Diameter 1-1/8", 1-1/4",1-1/2" Mounting Bracket, Motorcycle Crash Bar Led pod Light Mount(28/32/38mm Clamp) - Amazon.com
Crossbar Clamps
Crossbar Clamps for Yakima LockNLoad Platform Rack - Qty 2 Yakima Accessories and Parts Y05039
Accessory Cross Bar Clamp (1.75 in.) – INOVATIV
INOVATIV 1.75" Accessory Cross Bar Clamp
JEGS 71005 Roof Rack Cross Bar Set w/ Key Locks Adjustable Clamps Up To 55 in. 6 - Walmart.com
INOVATIV 1.75-Inch Accessory Cross Bar Clamp - Trew Audio
Crossbar Clamps for Yakima LockNLoad Platform Rack - Qty 2 Yakima Accessories and Parts Y05039