This bottleneck can be used with a wide range of instruments, including electric guitars, acoustic guitars, and slide guitars. Use it for bottleneck playing to add new expression to your performance with its unique slide sound. Recommended for guitarists of all levels, from beginners to advanced players, in various music genres such as blues, country, and rock. Furthermore, we offer variations in different lengths. You can choose according to your preferred playing style and guitar type. Material Made of steel, it offers excellent durability and sustain, enabling smooth slide play. Specifications - Long: 70x25mm / Medium: 60x25mm / Short: 51x25mm - Inner diameter: 21mm - Thickness: 2mm ============================================ Save even more with bulk purchases! You can get even better deals when you purchase together with other guitar accessories such as guitar picks, capos, and guitar straps! Please check the following links: ■ Guitar Accessories >> #QONNYGuitarMaintenance ■ Guitar Product List >> #QONNYGuitar ■ Musical Instruments List >> #QONNYInstruments