The bahco 90 series black phosphated ergo adjustable wrenches have a 40 wider opening compared to a standard adjustable wrench of equivalent size the head combines slimness for accessibility with strength for performance this combined with a convenient length of the handle and low weight make it perfect for plumbers and other tradesmen that carry their tools with them the jaws are angled at 15 to provide maximum access in confined spaces precision hardened and anti corrosion treated with comfo