I bought a very similar one on eBay a few years ago, $18 delivered from Hong Kong.
Figured cheap enough it was worth the chance and so far so good, works perfectly. A higher quality, or one with a good brand name, would cost a heap more than $18.

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-