This Estwing Lineman's Hammer is a vintage tool that has been well-crafted and has stood the test of time. The hammer has a sturdy metal construction with a comfortable nylon grip handle. It is a single piece tool and has been designed to deliver powerful blows to nails and other objects.

The brand of this hammer is Estwing and the model number is E3-40L. It is a perfect tool for those in the construction industry or those looking for a reliable hammer for their DIY projects. With its durable design and comfortable grip, this hammer is sure to get the job done.