PORTER-CABLE PC305TP 12" Thickness Planer Powerful 15 amp motor for superior stock removal Two knife, quick change, solid steel cutter, head mounted on ball bearings, assures smooth operation and long life High carbon steel, double Edged, Reversible knives for twice the cutting life Patented cutter elevation on four precision ground columns for superior cut stability Poly V belt cutter head drive with rugged gearbox/chain and SPROCKET feed roller drive for maximum power transfer Powerful 15 Amp motor for superior stock removal Two knife, quick change, solid steel cutter, head mounted on ball bearings, assures smooth operation and long life High Carbon Steel, double edged, reversible knives for twice the cutting life Patented cutter elevation on four precision ground columns for superior cut stability Poly V Belt cutter head drive with rugged gearbox/chain and sprocket feed roller drive for maximum power transfer