The Nickel Plated Rock Slide is designed and carefully crafted with your needs as a player taken into careful consideration. The Rock Slide is simply unmatched in comfort, thanks to the design's contoured finger rest and knuckle cutaway. And the slide's tapered interior ensures a uniform fit along your whole finger, adding stability and control to your slide performances. The slide's Nickel Plated material boasts some of the best characteristics of brass and glass: a balanced tone and a slick feel.