CLAMP/Size: 3, depth: 3, aluminum, chromic-anodized finish, panel mount. 123-3232-G123-3232-G Square and Rectangular Clamp | 3 x 3in, 3in Depth, Chromic-Anodized FinishMSP avionics clamps eliminate the need for panel removal when repairing or replacing an instrument such as an altimeter or artifici..