Bonzer Heritage Strainer Set. Copper. The Bonzer Heritage Strainers Set features all of the tools you need to strain any cocktail. Included is the Heritage Fine Strainer, Heritage Sprung Jupel, Heritage Fine Strainer and Heritage Hawthorne Strainer. Manufactured from 304 stainless steel ensures durability throughout. All cocktail straining needs covered, Quality 304 stainless steel, Bonzer Stamp offer assurance of quality and authenticity. Bonzer first developed its barware back in the 1930s. Due to the brands history in silverware it was an obvious development. The first items off the production line proved to be a great success. With the original Hawthorne Strainers, Thimble Measures, Bar Spoons and Cocktail Shakers the brand was estabilished and had made its mark on the industry. A number of years on and with a heritage to be proud of Bonzer have revisited some of the classic tools. Having taken on board the feedback from professionals and evolved some of the designs and feel to give thart classic Heritage quality and value.