ITEM NAME:Chrome Zinc Alloy Vibrato Bridge Tremolo System Arm Whammy Bar with Nut Spr G5B4 Chrome Zinc Alloy Vibrato Bridge Tremolo System Arm Whammy Bar with Nut Spr G5B4 Brand new tremolo whammy bar. Suitable for LP electric guitar. Top quality replacement tremolo arm. Hole Diameter: Approx 6.5mm / 0.26 inch Length: Approx 165mm / 6.5 inch Width: Approx 13.8mm / 0.54 inch Spring Size: Approx 29 x 18mm / 1.14 x 0.71 inch (L x Dia) Nut Size: Approx 20 x 4mm / 0.79 x 0.16 inch (L x Dia) colour:Chrome Material:Zinc alloy Package Contents: 1 * Whammy bar 1 * Spring 1 * Nut(1set)