This belt comes from Great Britain, where it is used on the oil rigs in the North Sea between Scotland and Norway- no, not only on deck, but also by the divers, working underwater, where the leather must be unaffected by salt or near freezing water.
The cowhide is chrome tanned at Claytons. The 2” straps are 1/4” thick. A variety of holsters and sheaths are available for specific tools. Each belt is made to order.