11/16" Prop Nut Torque Adaptor Wrench for Aviation (Ref # AST-2877-3) This 11/16″ Torque Adaptor Wrench has a special off-set used for Hartzell Raptor propellers. Wrench features a 1/2" Drive on one end and then an 11/16" 12-point Socket on the other utilizing impact grade sockets.
eBay