CLAMP/Square, size: 3.175 x 3.175, depth: 2, aluminum, anodized finish, panel mount. 123-3232-W2B123-3232-W2B Square Clamp | 3.175 x 3.175in, 2in DepthMSP avionics clamps eliminate the need for panel removal when repairing or replacing an instrument such as an altimeter or artificial horizon. These..