Product Includes: You will receive 3pcs black guitar tremolo bar, including 2pcs thread tremolo arms with black plastic caps and 1pcs double tremolo arm to meet your different requirements.Product Size: 2pcs(respectively size): 6mm/0.23in and 5mm/0.19in, double tremolo arm diameter: . 6mm/0.24in.Premium Material: Made of high-quality material Metal, good gloss, 't patination and durable, you can use it for a long time.Thoughtful Design: It is the perfect accessory for electric guitar tremolo , making your guitar sound more .Note: It is suitable for American/Mexican standard guitarsColour:blackMaterial:MetalPackage Contents:3 x guitar whammy barOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.