D'Addario (PWGS-SM) Medium Glass Guitar Slide

Medium = 12 Ring Size / 21.5mm Inner Diameter

51mm Inner Diameter 

Made from boron silicate for enhanced durability, smoothness, tone and great sustain.

Flawless finish and extra smooth surface glides over strings

D'Addario Glass Slides are made from boron silicate for enhanced durability, smoothness and tone.

Each D'Addario Glass Slide is individually heat treated to provide smooth edges and a perfect finish allowing the slide to glide over strings while the 4mm glass thickness produces a warm, thick tone