This B and G Bender
has been designed for a easy replacement no routing on the body.
Simply remove the old bridge switch over the pickup and your don
this works on most Telle models but there can be just that one where it does not fit
B&G Bender printout
B and G string have leavers to detune the strings with the 2 screws you can set the pitch
you want to tune to

Weight 0.650 kg

Chrome, Gold, Nickel, Short Nickel, Short chrome