Special extension spanners can be manufactured when design or space limitations preclude the use of a dial measuring wrench and a standard nut socket. These allow access and enable you to apply torque in awkward spaces. 

To order a special extension spanner, the following information must be supplie. For assistance, please contact ASG at 216-486-6163 or asginfo@asg-jergens.com

• Square drive size (A)
• A/F size of spanner end (B)
• End type - ring, open, flared (C)
• Centered distance between the square drive and the spanner end fitting (E)
• Maximum torque to be applied(T)
• Fully dimensional drawing

Special extension spanners are not recommended for ADS 4 or ADS 8.