Rock Steady Robby Rib Clamp w/ RAM ball Belly & Under Wings Our X clamp mounts securely

Our X clamp mounts securely in the ACME tailwheel center hole

The aluminum block has countless configurations

This diamond block fits the surface base and matches the shape of the clamp base half

inspection covers

Clamps 1/2″ to 1 1/2″ diameter poles

Rock Steady Robby Rib Clamp w/ RAM ball Belly & Under Wings Our X clamp mounts securelyThe 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