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RYOBI 1/2 in. HAMMER DRILL – MODEL NUMBER HD420 / HD4201
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WARNING: Improper repair of a double insulated tool can result in damage to the double insulation system possibly causing electrical shock or
electrocution. Any repairs requiring disassembly of your tool requires safety testing and should only be performed by a Ryobi Authorized Service
Center. For the service center nearest you call 1-800-525-2579.