Fish Tail Shape Material : Zinc alloy Colour: Chrome & Black & Gold for choose Installation hole dimension:Approx (L x W)3mm x 4.85mm Appearance size:Width:33.8mm Package Included: 6 x Ba Tuning Pegs knobs Handle 6 x Silve Mounting screws 6 x White Plastic Mounting Ferrules 6 x Black metal Mounting FerrulesOnly approximate size for this product mounting hole for reference. It can not be totally exact.Only the approximate for reference. Customers can be be sure if this mounting hole is too big to install according to this size. But if the mounting hole is too small for you, it would be hard to fit in. If so, please enlarge the hole with small file. So that this problem can be saved. Please check all very carefuly before order. Thanks for your cooperation. Notice for purchasing the acceories of the electric guitar As there are so many different kinds of electronic guitar acceories with exquisite sizes and the suppliers for these goods are different, please ask the exact size to the sellers directly. Please measure your size exactly and then let us know. We sell only according to the size listed by yourself in the order. About the size As there are many different kinds of guitar spare parts and acceories. Size pictures for the products which need exact size to fit the guitars have been listed. Please confirm your size carefully before order. Some allowable errors in a fixed range would be there because of the different patches and measuring errors. About the color difference All products should be take photos on spot! Due to the shooting light and the different screens, etc, the photos colors would be a little different from the real products. All colors should follow the real products only.