WD Music 12-string guitar trapeze tailpiece. Gold finish. Brand new. Never installed. Includes mounting screws. 

• Tailpiece Length (without hinge): 119.7mm (4.71in)
• Length of Bar: 83.9mm (3.30in)
• Width of Bar: 19mm (0.75in)
• String Spacing at Bar: 9.33mm (0.13in)
• Mounting Area of Hinge Length: 39mm (1.54in)
• Mounting Area of Hinge Width: 50.5mm (1.99in)
• Mounting hole location bottom center: 6.2mm (0.24in) from bottom edge
• Two Mounting hole locations from side edges: 5.8mm (0.23in) from side edge
• Two Mounting hole locations Apart from each other: 30.8mm (1.21in)
• Upper side of Hinge Length: 30.7mm (1.21in)
• Upper side of Hinge Width: 35.6mm (1.40in)