Dewalt's dws520k is a heavy duty saw with a parallel plunge action, variable speed with full wave electronics, a riving knife and an anti-kickback system. This kit includes the saw, 48 tooth blade and a carry case it is also available packaged with a guide rail. Features & benefits parallel plunge allows the user to maintain a smooth and constant hand position while cutting a 48 tooth blade gives a fine and accurate finish with very little breakout in laminates rail adjustment allows the saw to be adjusted accurately to the rail variable speed allows the correct speed to be set for different types of materials full wave electronics maintains a constant speed under heavy load the enclosed guard gives a 90% dust extraction capability 55mm depth of cut allows the trimming and sizing of most common door sizes the anti kickback function stops the saw from moving backwards along the rail and helps stop the saw from climbing out of the work piece when making plunge cuts specifications power input: 1300w power output: 690w no load speed: 1750-4200 rpm blade diameter: 165mm blade bore: 20mm bevel capacity: 47 max. Depth of cut at 90 : 59mm max. Depth of cut at 90 with guide rails : 55mm max. Depth of cut at 45 : 44mm max. Depth of cut at 45 with guide rails : 40mm weight: 5.1Kg length: 303mm height: 265mm hand arm vibration: 2.5 M s uncertainty k 1 vibration : 1.5 M s sound pressure: 92 db a sound pressure uncertainty: 3 db a sound power: 103 db a sound power uncertainty: 3 db a c...