Didnt get anything. i need to check on parts for

didnt get anything. i need to check on parts for 1980 epiphone les paul guitar with a steinberger tremolo bridge i need the trim spring retainer cap .the old style with the square profile not the round. this is a steinberger part there are no serial numbers on this bridge only a pat.number.i do know the guitar was made around late 70s to early 80s the pat numbers are as follows.4.632.004.....