View single post by redracer
 Posted: 05-21-2020 01:15 pm
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redracer

 

Joined: 09-10-2012
Location: BROOKHAVEN, Georgia USA
Posts: 626
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 I'm sure they are now(fortunately, I got some 5000 & 6000lbs sets in the late '70s that were still made in the USA and 6 ton ones in the early '80s made in Taiwan). You can always drill a hole through maybe an inch apart to simulate those types for extra safety, OR:
Here's a link to "double-lock sets--Amazon:
https://www.amazon.com/dp/B00026Z3DQ?creativeASIN=B00026Z3DQ&cv_ct_pg=article-page&cv_ct_wn=osp-single-source&linkCode=oas&ascsubtag=amzn1.osa.1a77d8b6-bee5-424c-9def-3579fb151a01.ATVPDKIKX0DER.en_US&cv_ct_id=amzn1.osa.1a77d8b6-bee5-424c-9def-3579fb151a01.ATVPDKIKX0DER.en_US&pd_rd_wg=QWKxO&pd_rd_w=PDEZ0&tag=spyonsite-20&qid=1590066653&cv_ct_cx=jack%20stands&pd_rd_r=c41d3e27-5077-4db9-bf9f-aaccf4477aff