PORTER-CABLE 9748 Variable-Speed Quik-Change TigerSaw Extra heavy-duty 11.5 Amp motor provides maximum power for all cutting applications Electronic variable speed,-2,600 spm, maintains speed under load for smooth consistent cutting Full 1-1/8-inch cutting stroke length cuts more stock in less time than shorter stroke saws Quik-change blade clamp for keyless blade changes in seconds Quik-change front shoe can be extended to utilize more of the blade-feets teeth in the cutting action Allows for orbital cutting in wood and reciprocating cutting in metal for increased versatility