The Sealey STW706 is part of the comprehensive range of premier hand tools, suitable for professional use. This tool has been manufactured from hardened & tempered chrome vanadium steel, with a smooth satin finish for premium durability. This model also features a smooth action ratchet head with flip reverse action, which allows for torque in both directions, & locks when you have selected the required setting. Each spanner is individually tested to standards with ±4% accuracy, & each wrench is issued with an individually numbered test certificate in accordance with BS EN ISO 6789:2003.