The Monster 2-pc Metric Flexible Reversing Ratchet Wrench Set, No. MSTDBM4, offers extra-long handles and flexible heads. The 90-tooth head and built-in reverse mechanism make it easier to remove fasteners in hard-to-access areas, according to the company. This set includes the 21mm X 22mm and 24mm X 25mm wrenches, and comes with a limited lifetime warranty.