CLAMP/Rectangle, depth: 1.5, aluminum, anodized finish, panel mount. 123-3215-C123-3215-C Rectangular Clamp | 3.175 x 1.457in, 1.5in 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..