Description:Sturdy material: The guitar sand hammer is made of plastic material, which can be used repeatedly and has a good feel. Training rhythm: There are composite steel balls in the hammer and the tone is uniform; and the hand shakers make a pleasant sound. Practical design: Ukulele sand shaker has a simple and stylish design, which is ergonomic and fits your fingertips perfectly. Instrument tool: Ukulele hammer is a great little tool to accompany you while you play guitar, ukulele, etc. Easy to wear: just put the ukulele shakers on your fingertip, which is suitable for concert or performance. Specification:Material: Plastic, iron. Color: Show as picture. Note:There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package Includes:2 Pieces Fingertip Sand Hammer.