Industrial adjustable wrenches made of chrome vanadium. Two component grip handle. With scale. Exeeding international standards ISO 6787-1982, ASME B. 107.8M-1996, bs 6333-1995, JIS B4604-1976.The 15° jaw allows the wrench to be used in narrow areas as only 30° turning is needed. The wider jaw opening increases the range of bolt sizes to be used on. Non protruding on the moveable jaw end gives better action when space is limited. Phosphate finish.