HQ Percussion SO Set Standard - Sound Off standard set containing: 12/13/16" tom pads, 14" snare pad, SOBass (18"-26" thomann universal bass drum pad ), SO14hat (14" Hi-Hat Pad), SO20Ride (20" ride pad), SO-Cym (universal cymbal pad). Sound Off pads from HQ are specially made to dampen the drum kit, allowing practice at any time without causing disturbance.