Vintage Tension Wrench by Warren & Brown
Tension Wrench by Warren & Brown. Made in Australia. Called a "Dual Signal" - this signifies that the correctly set tension point had been reached by an audible noise and visible release.The instrument is 400mm long and is fitted with a 1/2 drive. On old instruments this is called a Tension Wrench."More recent units of this type call it a Torque Wrench.