Hammer File
: The earliest hammers were simple stones used for crushing and hammering. It took approximately 2.5 million years for early ancestors to begin attaching handles, typically made of sticks, to these stone heads.
: A heavier, longer version of the claw hammer with a straighter claw, used for prying boards and heavy construction. hammer
Beyond its utility, the hammer is a powerful cultural symbol of creation, industry, and authority. : The earliest hammers were simple stones used
