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.