Twist stop and ring nut spanners assemble the standard safety sockets stock nos. 404-137 to 404-266 The twist stop spanner prevents the sockets from rotating during assembly. The ring spanner fits the special ring nut on each socket
Twist stop and ring nut spanners assemble the standard safety sockets stock nos. 404-137 to 404-266 The twist stop spanner prevents the sockets from rotating during assembly. The ring spanner fits the special ring nut on each socket