1. with electro-mechanical blade tension 2. V-belt and Gear driven for optional 3. ... @45°127mm (5")Rectangular @45°120x125mm (4.75"x4.88")Blade speed @60HZ27,41,59,78MPM @50HZ22,34,49,64MPMBlade size20x0 ... , 1HP(3PH),1.1kW 1.5hp(1PH)DriveV-BELT 7" Cutting Band Saw BS-712N