Item Description:Ellipse shapeMaterial : PlasticColour: Jade RedInstallation hole dimension:Approx (L x W)3.2mm x 4mmAppearance size:Width:23.5mmPackage Included:60 x Guitar Tuning Pegs knobs Handle60 x Silve Mounting screws60 x White Plastic Mounting Ferrules60 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.Item Specification:Type: Guitar Tuning peg HandleProduct Name: Guitar Tuning peg HandleColors: Jade RedWeight: 2.5g/PiecePlace of Origin: ChinaMaterials: AcrylicRemarks: Contains Mounting Ferrules and screwsInstallation hole dimension: Approx (L x W)3.2mm x 4mmAppearance size: Width:23.5mm