1. Metal Glide Bar: Made of high quality durable 304 stainless steel; it can provide excellent sustain, excellent intonation and clear and bright sound 2. Glass Glide Bar: Made of seamless heat-resistant glass, high-quality boron silicate is processed by heat treatment and annealing 3. Silky blues portamento 4. Adopt integrated design, safe material 5. Size: about 6 x 6 x 2.5cm 6. Weight: 130g
