The rare Snap-On Blue-Point 4 inch adjustable wrench is a high-quality hand tool designed for automotive use. Made in the United States, this single piece wrench features a SAE system of measurement and a size of 4 inches. This adjustable wrench is a valuable addition to any mechanic's toolbox for its durability and precision. This wrench does have the word Lock engraved on the rim of the handle. It also has normal light scratches and signs of useage. Please look at all my photos for an exact description of this item.