Whatever he unscrews it! Tired of running around with heavy tool boxes and wasting time looking for the right key? The Joker has been designed for you! A universal tool designed for screwing and unscrewing screws, hooks, wing nuts, threaded eyelets, bolts ruined and rusty. Unscrew even the bars easily threaded. Its 54 round steel teeth Adapt to any shape and grip 360 degrees without damaging the material. Joker can be used with the ratchet (supplied) or applied to the electric and pneumatic screwdriver through the insert (supplied). Joker replaces countless keys and tools, saving time and money.