CLAMP/Square, size: 2.175 depth: 1.5, aluminum, chromic-anodized finish, panel mount. 123-2222-H123-2222-H Square and Rectangular Clamp | 2.175in, 1.5in Depth, Chromic-AnodizeMSP avionics clamps eliminate the need for panel removal when repairing or replacing an instrument such as an altimeter or ar..