8" Super-2™ Clear Two-Ply Drumheads Have Great Attack, Projection And Depth Unlike Any Other Drumheads. The Patented Safe-T-Loc Hoop Prevents The Head From Slipping And The Sound Curve Collar Design Provides "Responsive Tuning". With Responsive Tuning, One Turn Of The Drum Key And Super-2™ Heads React. A Free Tuning Sheet Is Enclosed With Each Super-2 Drumhead. The Super-2 Clear Drum Heads Feature A Wet Attack, Lot'S Of Bottom End And Depth.