9PCS PORTABLE RATCHET RING SPANNER SET WITH INTERCHANGEABLE FLEXIBLE MINI HEAD 180° ROTARING RATCHET GEAR WRENCH Made from chrome vanadium steel, ensuring stability and durability. Comes with a handle, easy to change the mini heads which can 180 rotating. Attachable ratchet heads in spanner sizes 8/10/12/13/14/17/19 mm. Direction of rotation can be switched by changing the ratchet head. Fine-toothed with 72 teeth, suitable for working in tight spaces.