Suitable for most Archtops like: KAY, HARMONY, OLD KRAFTSMAN, FRAMUS, AIRLINE, REGAL, SILVERTONE, EPIPHONE, GIBSON, GRETSCH, WASHBURN, GUILD, EGMOND, LOAR, NATIONAL, STELLA, ORPHEUM, VEGA, KALAMAZOO, TRUETONE, D'ANGELICO, HOFNER, BELTONE, S.S. STEWART, CRUCIANELLI, JG, EKO, VOX, SHERWOOD, RECORDING KING, MAGNAVOX, UNIVOX, SINGERLAND, HOYER, HERITAGE, HOPF, BALDWIN, WURLITZER, WEISS, KAWAI, JOLANA, IBANEZ, TEISCO, KINGSTON, ELECTRA, BRUNO, CONQUEROR, CROWN, SEKOVA, ARIA, CONRAD, ZIM GAR, IMPERIAL, STRAD O LIN, KIMBERLY, KENT, GUYATONE, GALANTI, YAMAHA, DEFIL, HAGSTROM, DECCA, MULTIVOX, MOSRITE, CORAL FIREFLY, PRESTIGE, KAPA, VENTURA, MUSIMA, MARVEL, ISANA, GRECO, GOYA, KLIRA. Adjustable Gold Hardware . Base : 5/8" Wide X 6" Long Height : 7/8" Tall Can be raised upto 1 1/4" High Fine Craftsmanship .