5675-12 T-Mount Spanner WrenchIsolation Mount Installation Tool for HT2 UT2 Mounts The 5675 12 T Mount Spanner Wrench is a precision tool designed for installing and removing avionics isolation mounts that utilize drill rod hole core designs. This mount specific spanner allows technicians to securely hold the mount core while applying torque, preventing core spin during installation or removal. Unlike traditional drill rod methods, the 5675 12 spanner provides a stable and