Hey there, Brand new to the forum. Thanks in advance for your help. I recently acquired an Epiphone Swingster on the cheap. These come equipped with a Bigsby (licensed) Chet Atkins style wire arm tremolo. Of course, mine was cheap because it did not have the trem arm included. I'm looking for 2 things: -An affordable option to replace the tremolo arm -anywhere i can find the barrel shaped set screws that hold the arm in place. Took it to my local repair shop and he was clueless. May the internet remain undefeated! Thanks!