My 1949 Power Wagon Mirror Arms

 

Right Side Front View - Fixed Length

16" between Holes

3/4" OD Tube

 

Left Side Front View - Adjustable Length

Left Side Side View

Left Side Rear View

16.5" between holes when adjusted in.

Approximately 12" travel

3/4" OD outer Tube

5/8" OD Inner Tube

3/4" Tube is 14.5" from center of hole to open end

Collar is 11/16" long with single screw hole.