CD 53 USL threaded top

By Jim Colburn; posted May 25, 2009

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This gem is a CD 53 embossed USL No 2 note how the embossing is the outline of the letters and number. Very odd for an insulator! This one stands 2 1/8" tall. I picked up a pair of identical ones last year, and kept this clearly marked one. A very good looking battery insulator!