This spare part for roller shutter will allow the joint of the crank shaft. The gimbal seal is an essential part for the subwoofer or grommet outlet. It is used in the mechanism of a roller shutter with the offset guide to allow the correct rotation of the crank and the transmission of movement to the shutter axis. The gimbal joint also known as roller shutter joint is made in France, and is the ideal solution for replacing a broken or worn gimbal seal. The rotation of the axles inside the boot and rods that tend to crumble due to the rubbing. DIMENSIONS - The gimbal joint consists of a 12mm (or 1/2") diameter inlet and another input suitable for a 6p7 (hexagonal) shank and is made of steel, for a long service life. If it is useful for roller shutter parts, it has many diverse applications for various mechanisms, making it a universal accessory. The finish of this model knee brace is white in color, is made of alloy metal, for long lasting use. Suitable for most manual roller shutter systems, with a mechanical pull for single-block windows, traditional shutters, or renovations. These accessories are sold with 2pcs M4 and M5 screws per piece., Manufacturer: ZF