Crescent, 2 piece, adjustable wrench set, set consists of: 8" & 12" adjustable wrenches, chrome alloy steel construction, wider knurl for easier adjustment, laser etched scale provides a quick & convenient way to determine fastener size in either sae or metric, wide capacity jaw allows each tool to work with more fastener sizes, wider handle provides more comfort & less stress to the hand, tension spring stabilizes jaw & knurl adjusts easily, alloy steel & heat treated.