The Dunlop Joe Perry 257 Signature Boneyard Slide sounds bluesy and soulful whether you're jamming on an acoustic at home or rocking a shrieking electric in a packed arena. Aerosmith's Joe Perry is a guitar legend, and his material of choice for slides is porcelain. Joe likes the way the rougher interior surface absorbs moisture and keeps the slide on his finger. The Joe Perry Slide is available in four sizes. Slide like you mean it, with the Dunlop Joe Perry 257 Boneyard slide. Bluesy, soulful tone with medium sustain Ideal for electric and acoustic guitars Large Long (19mm x 31mm x 70mm)