The torque build-up can easily be recognised by three signals: Sight - see the wrench start to break, Touch - feel the point of torque, Sound - the ratchet 'click'. Hard wearing mechanism. Push through square drive connector for instant direction reversal. Easy to read scale with clear markings in the handle. Retracting torque adjuster that cannot be altered by accident ensuring accuracy on repetitive operations.

Supplied with sturdy blow moulded plastic box and calibration certificate fully traceable to national standards and suitable for ISO9000 assessment purposes. All wrenches conform to ISO 6789 : 1992.