The Perfect Feel and Premium Hardware: The Alesis Crimson II Kit is a Nine-piece electronic drum kit featuring exclusive Alesis mesh drum heads (U.S. Patent 9,424,827) that delivers the perfect feel and expression. It features an 8-inch kick, 12-inch dual-zone snare, two 8-inch dual-zone rack toms, and a 10-inch dual-zone floor tom, along with a 12-inch hi-hat & pedal, two 12-inch crashes with choke, and a 14-inch triple-zone ride. A premium quick lock chrome 4-post rack with a separate double-braced snare stand keeps everything solidly anchored, no matter how hard you play! Kick Pedal Sold Separately (Not Included) Color Red / Black Mesh Included Kick Pads: 8-inch kick Included Snare/Tom Pads: 12-inch dual-zone snare Manufacturer Part Number : CRIMSONIIKIT OS Requirements - Mac Mac: OS X 10.7-10.11 OS Requirements - PC PC: Windows 7, Windows 8, or Windows 10 Note: Assembly of the unit is not included with delivery.We offer an Assembly, Set-up/Tuning and Basic Operation Training service at an additional charge. Please click here to learn more about this service.