Cementex AW-10 10-Inch Adjustable Wrench 10-Inch adjustable wrench features a wide capacity jaw which allows work with more fastener sizes Wider handle provides more comfort and less stress to the hand Tension spring stabilizes jaw and knurl adjusts easily Alloy steel and heat treated with proportioned dimensions for the greatest strength and minimum weight Tested to 10,000-Volt AC and rated for 1,000 when working on live parts