BC-70-N Boston capo for acoustic/electric guitar BC-82-C Boston universal capo BC-82-B Boston universal capo BC-85-TI Boston spring loaded capo for acoustic or electric guitar BC-85-BK Boston spring loaded capo for acoustic or electric guitar BC-85-MC/10 Boston 10-pack of spring loaded capos for acoustic or electric guitar CAPO/AE-01 Boston aluminum capo for acoustic/electric guitar