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A tool includes a blade with a working end and a handle end opposite the working end, a handle secured to the handle end and having a blade end and a hammer end, a hammer secured to the hammer end and having a body made of a relatively hard, lightweight polymeric material.

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What is claimed is: 1. A tool, comprising: a blade with a working end and a handle end opposite said working end; a handle secured to said handle end and having a blade end and a hammer end; a hammer secured to said hammer end and defining an extreme endpoint of said handle, said hammer having a bo

What is claimed is: 1. A tool, comprising: a blade with a working end and a handle end opposite said working end; a handle secured to said handle end and having a blade end and a hammer end; a hammer secured to said hammer end and defining an extreme endpoint of said handle, said hammer having a body made of a relatively hard, lightweight polymeric material and a skirt projecting toward said blade from a common thickened impact formation forming said endpoint; and a metallic cap provided on said hammer and covering said impact formation, said cap having a portion projecting toward said blade and covering a portion of said skirt. 2. The tool of claim 1 wherein said cap is secured to said hammer by at least one fastener. 3. The tool of claim 1 wherein said cap is made of zinc. 4. The tool of claim 1 wherein said hammer body includes a recessed shoulder located in said portion projecting toward said blade and configured for receiving an edge of said cap so that upon mounting to said body, said cap is flush with an exterior surface of said body. 5. A tool, comprising: a blade with a working end and a handle end opposite said working end; a handle secured to said handle end and having a blade end and a hammer end; a hammer secured to said hammer end and having a body configured for being secured to the handle and including a hammer portion made of polycarbonate; said hammer body having an axial core with a skirt projecting from a common end, said skirt defining a shoulder, at least a portion of said skirt projecting from said body toward said blade over opposing sides of said handle; a metallic cap configured for fastening to and covering said hammer body, said cap having a portion projecting toward said blade and covering a portion of said skirt and an edge engaging said shoulder so that upon assembly, said cap is generally flush with an exterior surface of said body. 6. The tool of claim 5 wherein said body includes a tongue projecting axially beyond an end of said skirt for attachment to said handle. 7. The tool of claim 5 wherein said core has an end closer to said blade and is axially displaced from an end of said handle end for displacing shock impacts on said hammer. 8. A tool, comprising: a blade with a working end and a handle end opposite said working end; a handle secured to said handle end and having a blade end and a hammer end; a hammer secured to said hammer end, said hammer including a body and a skirt projecting from said body toward said blade on opposing sides of said handle, said body defining a pair of through holes; and a metallic cap covering said body and having a portion projecting toward said blade and covering a portion of said skirt, said cap defining a pair of bosses that are aligned with said through holes, wherein said cap is secured to said body by inserting a fastener through each of said through holes and into engagement with a corresponding one of said bosses.