Features: Bright resonant tone, excellent intonation. High quality 2mm thick wall, won't chip, flake, or rust. Inside diameter 18mm. Perfect for guitarist. Specifications: Color: Silver Material: Top-rated stainless steel Slide length: 60mm / 2.36in Outer diameter: 22mm / 0.9in Inside Diameter: 18mm / 0.7in Wall thickness: 2mm / 0.08in Slide weight: 50g / 1.8oz Package size: 13 * 10 * 2.4cm / 5.1 * 4 * 1.1in Package weight: 62g / 2.2oz Package List:1 * 60mm