4.5A, Variable Speed, Jig Saw, Provides Plenty Of Power To Complete Tough Tasks, Sight Line Channel Improves Visibility To Cut Line & Improves Accuracy, Exclusive Quick Clamp Blade Change Allows For Tool Free Blade Changes, Dust Blower Clears Debris From Line For Cut, Improves Accuracy & Provides A Cleaner Work Environment, Contoured 2 Finger Variable Speed Trigger Allows For Controllable Cutting In A Variety Of Materials, Blade Support Roller Provides Improved Cutting Accuracy & Longer Blade Life, Convenient Lock On Button, Dust Collection Port, Bevel Cut Capacity.