| 摘要 |
A hammer has a head having a recessed face. The recess in one modification is formed by having four isosceles triangular slanted sections extending inward from the outer edge of the face. In another modification the face has a curved recess. The hammer head has flat exterior side surfaces and the head is positional close to the center line of the handle. The hammer claw has a rectangular notch between the two claw fingers, making the claw especially adaptable for disengaging tie-wire loops or bolt ends with slots in their outer ends. The hammer is useful for driving objects such as nails, pins, and wedges, and is especially useful in work involving concrete forms.
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