S-K Wayne combination wrench
The object shown is a combination wrench, specifically a vintage S-K Wayne 1/2 model. Helpful information includes: It combines an open-end wrench and a box-end wrench of the same size.The size is 1/2 inch, marked on the tool.It is a vintage tool, indicated by the S-K Wayne branding.Combination wrenches are used for tightening or loosening nuts and bolts.The box-end is typically 12-point, allowing for a variety of angles to engage the fastener.It is made of forged alloy steel for durability.The tool is likely from the mid-20th century when S-K Wayne tools were commonly manufactured in the USA.