Manufacturer of hose coupling help hand tools constructed from chrome steel material. Used by one particular firefighter to uncouple or recouple hose couplings. Involves inner and external circlips with straight and ninety° bent jaws. Cast from superior carbon metal which is hardened and tempered, by using a blacked phosphate end. https://www.hukums.com/products/elephant-air-impact-wrench-1-iw-04cl