CLAMP/Square, size: 3.175 x 3.175, depth: 1.5, aluminum, anodized finish. 123-3232-H123-3232-H Square Clamp | 3.175 x 3.175in, 3in DepthMSP avionics clamps eliminate the need for panel removal when repairing or replacing an instrument such as an altimeter or artificial horizon. These patented chem ..