Genuine Gretsch Roots series resonator tailpiece. Mirrored-Chrome finish. Includes mounting screws. Measures: 3-1/16" (3.069" or 77.9mm) at widest part 2-1/4" (2.255" or 57.3mm) Width between Mounting Holes (center to center) 3" (76.2mm) Long (section that goes on top of the instrument) 1-9/32" (1.275" or 32.4mm) Mounting Arm on side of instrument.