Professional Quality. Sliding rail mechanism incorporating 3 linear ball bearings provides increased rigidity to produce precise, adjustment free cuts right out of the box. Sliding fence (left side) can be adjusted outwards when bevel cutting or inwards for increased support of small or delicate materials. Soft start feature gradually increases speed to eliminate start up shock. Battery operated, factory calibrated Class II laser enables accurate alignment of blade and cutting line. 2-Stage safety switch for increased operator safety. Ergonomic vertical soft rubber grip desing for vibration absorption and comfortable operation.