Feature: 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 cattle bone, the nut is slotted.4.Suitable for 6 string classic guitar.5.For replacing your old, worm, broken or missing saddle and nut.Specifications:Material: Cattle BoneColor: WhiteSaddle Size: approx 80 x 9 x 3mm/3.15 x 0.35 x 0.12inch( L x W x T)Nut Size: approx 52 x 9.2 x 5.6mm/2.05 x 0.36 x 0.22inch(L x W x T)Weight: 240gPackage include:20 x Guitar Saddles20 x Guitar Nuts