Rock Band 3 PRO-Cymbals Expansion Kit Color-coded for Crash, Ride, or Hi-Hat configurations / Velocity-sensitive for precise drumming Height adjustable / Easy-to-install clamp for quick setup / New 10-degree strike angle Improved Crash, Ride, & Hi-Hat cymbals Cymbals required for Rock Band Pro Mode Compatible with Rock Band 2 Drum Kits for Xbox 360, PS3, and Wii