The Rock Steady Robinson Rib Clamp Base fits the window center rib channel on any Robinson R22, R44, or R66 Helicopter, or clamps on to 3/4″ tubing such as in Husky and Cub interior frame tubing. This clamp can be easily tightened by hand making it a FAA temporary mounting device. The thumb screw also has a hex drive head allowing you to tighten with the included hex wrench too. This Clamp Base is fitted with a 1 inch RAM ball to work with all your current RAM mount devices.
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