Adjustable rail screw presenter can accommodate up to 11 different sized screws (#000 - #10) and feed them individually at a rate of 2 screws per second—without the need to change rails. Easy adjustment of vibration time, amplitude and operation shut-off delay. Smooth vacuum pick-up operation. Adjustable sweeping brush and bit guide allows use of standard diameter bits. Bi-directional brush rotation provides fast removal of improperly positioned screws (jams). Adjusting tool, additional stopper and shims conveniently held in lid. Fits screws up to .748"L. Includes AC adaptor. 100-240VAC to 12VDC. 7"L x 5"W x 6"H.