Wellforce 72013 13mm Combination Reversible Ratchet Wrench Surface Drive design nearly eliminates fastener rounding No need to remove from fastener to change direction with compact reversing lever and additional knuckle clearance provided by 15-Percent off-set These wrenches feature a narrow cross section design for increased versatility and are made from mirror finished chrome vanadium steel for maximum strength, durability and corrosion resistance. Reverses direction with push of a button in the most confined areas Closed end works in places deep sockets will not reach