"The New Professional torque wrench has been re-engineered to be even more accurate durable and easy to use. The square drive features a finger grip on the top ('mushroom' head) that assists with running down the nut until resistance is met.Supplied with a 1/2"" to 3/8"" square drive adaptor.

• Factory calibrated to +/-3% and our new mechanism ensures that the accuracy is retained for longer.
• Every wrench is supplied with a calibration certificate to satisfy the requirements of ISO 9000:2000.
• Ergonomic new handle with a high proportion of soft-feel high grip material.
• Handle material and lens resist all chemicals in common automotive industrial and aviation use.
• Secure push/pull locking mechanism is quick and intuitive to use and prevents accidental adjustment.
• Large scale window and long scale length for great visibility and accurate setting.
• Unique on a torque wrench the Time Strip gives a visual indication that the wrench is due for re-calibration