I got this screwdriver because a bed I ordered needed 36 screws inserted into the frame to hold the slats, and it had to be done by hand (or risk splintering the wood). After 1 screw, and a lot of effort, I decided to save my wrists and get a motorized screwdriver. I found this brand by chance.Pro-Pretty well designedComes with a case and a lot of bitsComes with a flexible extension shaft,for getting around corners. I haven't used it yet, but this model was the only one that came with ithas a LESee full review