Solid brass slide: Provides enhanced treble and stable bass response for smooth, sustained tone. 304 stainless steel guitar slide: Delivers excellent resonance, accurate intonation, and a bright, clear sound. Borosilicate glass guitar slide: Heat-treated and annealed for durability and smooth performance. Enhances mid-range harmonics and produces warm, silky, blues-inspired tones. Suitable for electric, acoustic, and bass guitars. Material: Celluloid, Stainless Steel, Glass Color: As shown in photo Package Contents: 1 x Brass slide 1 x Steel slide 1 x Glass slide 6 x Guitar picks 3 x Finger picks 1 x Thumb pick Product package includes only the items listed above; additional accessories not included. Note: Lighting and display settings may cause slight variations in color between the image and the actual item. Measurement tolerance: +/- 1-3 cm.