High grade flexi-head ratchet spanner suitable for use by the enthusiast or professional. Precision machined 72 teeth ratchet allows a fastener to be turned with only 5 degrees of movement. 12mm Size. Flexible head allows access into awkward and hard to reach areas. Combination design features an open-end spanner on one end and a flexible head ratchet ring spanner on the other end. Manufactured from chrome vanadium steel for strength and durability. Fully polished finish. 170mm Total Length. Open End Head Thickness - 6mm Ratchet Spanner End Thickness - 9mm