Features: 1.The use of beef bones to make the pillow has a high bone density, which effectively improves the sound quality of the guitar, extends the sustain and enhances the resonance. 2.Made of authentic ebony logs, inlaid with real shellfish and gold edges, and high-end guitar configuration is selected. 3.Multicolored guitar picks, sturdy and durable, classic in use, glossy in shape, provide warm and round musical tone for your instrument, and provide random colors for you to choose and match with various instruments, suitable for electric guitars, acoustic guitars, Ukulele, folk guitar, etc. 4.Not only will the pins make your guitar look great, but their density and stiffness provide better vibration transmission, so your guitar will also sound better. 5.Can effectively protect the fingers from injury and add some interesting changes to the fingers. It is also a popular gift for family, friends, classmates and people who like music.specification:Item Type: Guitar Nut and Saddle Material: Beef bone + ebony + celluloid Color: White guitar nut and saddle, black fixed string nail , random picks : Guitar Nut: Approx. 43 x 6 x 9mm / 1.7 x 0.2 x 0.4in Guitar Saddle: Approx. 72 x 3 x 9mm / 2.8 x 0.1 x 0.4in Upper Radian: R400 Application: 41in Folk Guitar Net Weight: Single Guitar Nut: Approx. 3.921 g / 0.1 oz Single Guitar Saddle: Approx. 3.471 g / 0.1 oz (The color of the pick is random)PackageList:1 xGuitar Nut1 xGuitar Saddle6 xFixed String Nail5 x Pick