High Quality Freatures:Handles stock up to 3-1/4" thick.Adjustable, 90 degree positive stop for accurate repetitive cuts.Larger 0 to 45 degree backstop accommodates thicker, wider stock.Full-grip feed handles offer excellent operator control.Extra-large crank handle for fast, easy clamping of work.Fine-thread adjustment knob for precise width-of-cut setting.Miter slot bar is adjustable to ensure a secure table slot fit; keyed design prevents jig from tipping over.