Cobra 29/Uniden PC78

The Workman C529B is a black, U-shaped metal mounting bracket designed primarily as a replacement for Cobra 29 series CB radios, as well as various Uniden and other 7-1/4 inch wide radios. It is commonly used for mounting radios under a dashboard or on a console. 

Key Specifications & Description:

Model: Workman C529B (Black finish).

Compatibility: Fits Cobra 29 LTD/Classic/WX/NW, Uniden PC78, and other radios approx. 7-1/4" to 7-3/8" wide.

Dimensions: Approximately 7-1/4 inches wide.

Material: Metal (often aluminum) with a black powder-coated finish.

Components Included: The bracket usually comes with two 5mm plastic thumb knobs and sometimes includes rubber washers and mounting screws.

Design: Features multiple holes on the side for adjustable installation angles and multiple slots on the base for secure, versatile mounting. 

Note: The "C529" series generally refers to this bracket style, with "B" denoting black (C529B) and "C" typically denoting chrome (C529C).