Powermatic 1791230K 64B Table Saw, 1.75 Hp 115/230V, 50-inch Fence With Riving Knife Riving knife maintains close blade proximity to reduce chance of kickback Micro-adjust miter gauge with extension plate offers wider crosscut support Blade guard and riving knife have quick release for tool-less mounting and removal Precision ground cast iron table and wings have beveled edge for smooth miter gauge entry Built-in extraction port increases dust collection efficiency