D’Addario PWGS-SL, Glass Slide 12 Ring – Large (PWGS-SL/pwgs-sl)

FEATURES :

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

• Flawless finish and extra smooth surface glides over strings
• Small – 48mm Length 17.5mm Inner Diameter
• Medium – 51mm Length 21.5mm Inner Diameter
• Large – 60mm Length 21.5mm Inner Diameter