Description This item is well made of premium material for durable and practical use. The smooth gliding surface provides a clear, smooth tonal voice. It's easy to use with long service life. The precise design will ensure its practicability in the work of high performance. It is great for professional guitar players and guitar lovers. Feature - Color: Transparent and silver. - Material: Stainless steel and glass. - Size: Approx. 5.1 x 2.5 x 2.5 cm / 2.0 x 1.0 x 1.0 inch. - Made of material for long time and durable use. - Accentuates the middle harmonics of your sound. - 2 kinds of slide rings with different functions, good for satisfying your different needs and making more fun when playing guitar. - It can offer superior sustain, excellent intonation, and a clear bright sound. - Perfect for professional guitar players and guitar lovers. Made of material for long time and durable use. Accentuates the middle harmonics of your sound. 2 kinds of slide rings with different functions, good for satisfying your different needs and making more fun when playing guitar. It can offer superior sustain, excellent intonation, and a clear bright sound. Perfect for professional guitar players and guitar lovers.