Features: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information;2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.Made Of Natural Cattle Bone.4.Nut Saddle Pins Made of cattle bone with a layer of wax on surface.5.Great for acoustic guitar parts.Specifications:Material:Bovine boneColor:WhiteSize:Guitar bone saddle:7.3x1cm/2.87x0.39inch(LxW)Guitar bone Nut:4.3x1cm/1.69x0.39inch(LxW)Guitar bone Pins: 2.8x0.8cm/0.1x0.31inch(LxDia)Weight: 15 gPackage include:1x piece Acoustic Guitar bone saddle1x piece Acoustic Guitar bone Nut6x piece Acoustic Guitar bone Bridge Pins