Industrial adjustable wrenches made of high grade chrome vanadium. Exceeding international standards ISO 6787-1982, ASME B.107.8M-1996, BS 6333-1995, DIN 3117-1988, JIS B4604-1976. The 15deg jaw allows the wrench to be used in narrow areas as only 30deg turning is needed. The wider jaw opening increases the range of bolt sizes to be worked on. Non protruding on the movable jaw end gives better action when space is limited. The handle provides a comfortable hand fit. Black phosphate finish.