https://sfbay.craigslist.org/sby/atq/d/san-jose-huge-vintage-double-maritime/7899049791.html
HUGE vintage double maritime Block and Tackle pulley and hook... made by Bestco Blocks See actual pics of item for sale... very heavy duty... and very heavy,...
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https://www.trinityinternational.co.in/chain-block.html
Trader - Retailer of Chain Block - Manual Chain Pulley Block offered by Trinity International, Chennai, Tamil Nadu.
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